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Operating Instructions and Parts Manual
Dual Drum Sander
Models DDS-225 and DDS-237
(model DDS-225)
WALTER MEIER (Manufacturing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086
Part No. M-0460278
Revision H1 11/2012
Ph.: 800-274-6848
Copyright © 2012 Walter Meier (Manufacturing) Inc.
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Table of Contents
Warranty and Service..........................................................................................................................2
Table of Contents ...............................................................................................................................3
Warnings............................................................................................................................................4
Features ............................................................................................................................................6
Specifications .....................................................................................................................................7
Unpacking..........................................................................................................................................8
Shipping Contents...........................................................................................................................8
Assembly ...........................................................................................................................................9
Handwheel Assembly ......................................................................................................................9
Dust Ports.......................................................................................................................................9
Dust Collection................................................................................................................................9
Electrical Connections.........................................................................................................................9
Abrasive Paper Installation................................................................................................................10
Adjustments .....................................................................................................................................11
Drum Height..................................................................................................................................11
Pressure Rollers............................................................................................................................12
Table Height .................................................................................................................................12
Table Parallelism...........................................................................................................................12
Lead Screw Thread Clearance .......................................................................................................13
Conveyor Belt ...............................................................................................................................14
Drive Belts ....................................................................................................................................14
Pulley Alignment ...........................................................................................................................15
Changing Belts..............................................................................................................................15
Maintenance ....................................................................................................................................16
Operations .......................................................................................................................................16
Basic Operation.............................................................................................................................16
Stock Feeding Angle .....................................................................................................................16
Multiple-Piece Sanding Runs .........................................................................................................16
Edge Sanding ...............................................................................................................................17
Sanding Imperfect Stock................................................................................................................17
Face Frames & Raised Panel Doors...............................................................................................17
Reversing Conveyor Direction........................................................................................................17
Abrasives.........................................................................................................................................17
Switch Lock......................................................................................................................................18
Maintenance Checklist ......................................................................................................................19
Troubleshooting................................................................................................................................19
Performance Problems ..................................................................................................................19
Mechanical & Electrical Problems...................................................................................................20
Parts – DDS-225 Sander...................................................................................................................21
Drum Assembly – DDS-225 ...........................................................................................................21
Drum Assembly – DDS-225 ...........................................................................................................22
Conveyor Assembly – DDS-225 .....................................................................................................23
Motor & Cabinet Assembly – DDS-225 ...........................................................................................25
Gearbox Assembly – DDS-225.......................................................................................................28
Parts – DDS-237 Sander...................................................................................................................30
Drum Assembly – DDS-237 ...........................................................................................................30
Conveyor Assembly – DDS-237 .....................................................................................................32
Motor and Cabinet Assembly – DDS-237 ........................................................................................34
Gearbox Assembly – DDS-237.......................................................................................................37
Optional Accessories ........................................................................................................................39
Ready-To-Cut Abrasive Strips........................................................................................................39
Wiring Diagrams...............................................................................................................................40
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Warnings
1. Read and understand the entire owner's manual before attempting assembly or operation.
2. Read and understand the warnings posted on the machine and in this manual. Failure to comply with
all of these warnings may cause serious injury.
3. Replace the warning labels if they become obscured or removed.
4. This drum sander is designed and intended for use by properly trained and experienced personnel
only. If you are not familiar with the proper and safe operation of a drum sander, do not use until
proper training and knowledge have been obtained.
5. As with all machines, there is a certain amount of hazard involved with the use of this drum sander.
Use the machine with the respect and caution demanded where safety precautions are concerned.
When normal safety precautions are overlooked or ignored, personal injury to the operator can result.
6. Do not use this drum sander for other than its intended use. If used for other purposes, Walter Meier
(Manufacturing) Inc., disclaims any real or implied warranty and holds itself harmless from any injury
that may result from that use.
7. ALWAYS WEAR APPROVED SAFETY GLASSES/face shields while using this drum sander.
Everyday eyeglasses only have impact resistant lenses; they are not safety glasses.
8. WEAR PROPER APPAREL. Before operating this drum sander, remove tie, rings, watches and other
jewelry, and roll sleeves up past the elbows. Remove all loose clothing and confine long hair. Non-slip
footwear or anti-skid floor strips are recommended. Do not wear gloves.
9. Wear ear protectors (plugs or muffs) during extended periods of operation.
10. Some dust created by power sanding, sawing, grinding, drilling and other construction activities
contain chemicals known to cause cancer, birth defects or other reproductive harm. Some examples
of these chemicals are:
•
•
•
Lead from lead based paint.
Crystalline silica from bricks, cement and other masonry products.
Arsenic and chromium from chemically treated lumber.
Your risk of exposure varies, depending on how often you do this type of work. To reduce your
exposure to these chemicals, work in a well-ventilated area and work with approved safety
equipment, such as face or dust masks that are specifically designed to filter out microscopic
particles.
11. Do not operate this machine while tired or under the influence of drugs, alcohol or any medication.
12. Make certain the machine is properly grounded.
13. Except for the feed rate control, make all machine adjustments or maintenance with the machine
unplugged from the power source. A machine under repair should be RED TAGGED to show it must
not be used until maintenance is complete.
14. Before turning on machine, REMOVE ALL EXTRA EQUIPMENT SUCH AS KEYS, WRENCHES,
scrap, and cleaning rags away from the machine.
15. KEEP SAFETY GUARDS IN PLACE at all times when the machine is in use. If removed for
maintenance purposes, use extreme caution and replace the guards immediately.
16. CHECK DAMAGED PARTS. Before further use of the machine, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended
function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting
and any other conditions that may affect its operation. A guard or other part that is damaged should
be properly repaired or replaced.
17. Provide for adequate space surrounding work area and non-glare, overhead lighting.
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18. KEEP THE FLOOR AROUND THE MACHINE CLEAN and free of scrap material, saw dust, oil and
other liquids to minimize the danger of tripping or slipping. Be sure the conveyor table is free of all
scrap, foreign material and tools before starting sanding operations.
19. Keep visitors a safe distance from the work area. KEEP CHILDREN AWAY.
20. MAKE YOUR WORKSHIP CHILD PROOF with padlocks, master switches or by removing safety
keys.
21. Give your work undivided attention. Looking around, carrying on a conversation and “horse-play” are
careless acts that can result in serious injury.
22. Maintain a balanced stance at all times so that you do not fall or lean against the blade or other
moving parts. DO NOT OVERREACH or use excessive force to perform any machine operation.
23. USE THE RIGHT TOOL at the correct speed and feed rate. DO NOT FORCE A TOOL or attachment
to do a job for which it was not designed. The right tool will do the job better and safer.
24. USE RECOMMENDED ACCESSORIES; improper accessories may be hazardous.
25. MAINTAIN TOOLS IN TOP CONDITION. Keep tools sharp and clean for safe and best performance.
Dull tools increase noise levels and can cause kickbacks and glazed surfaces. Check the condition
and adjustment of the tools before making any cuts.
26. Keep hands outside the machine. NEVER reach under the guards to try to clear stock that stops
feeding. Do not clear chips and sawdust with hands; use a brush. Do not have any part of the hands
under that part of the board that is over the table when starting a cut; the pressure roller will engage
the board and force it down against the table causing a pinching action.
27. Do not attempt to sand boards with loose knots or with nails or other foreign material, on its surface.
Do not attempt to sand twisted, warped, bowed or “in wind” stock unless one edge has been jointed
for guiding purposes prior to sanding.
28. Do not attempt to sand long or wide boards unsupported where spring or weight could cause the
board to shift position.
29. If the operator leaves the machine area for any reason, the sander should be turned "off" and come to
a complete stop before his departure. In addition, if the operation is complete, he should clean the
sander and the work area. NEVER clean the machine with power "on" and never use the hands to
clear sawdust and debris; use a brush.
30. TURN OFF THE MACHINE BEFORE CLEANING. Use a brush or compressed air to remove chips or
debris — do not use your hands.
31. DO NOT STAND ON THE MACHINE. Serious injury could occur if the machine tips over.
32. NEVER LEAVE THE MACHINE RUNNING UNATTENDED. Turn the power off and do not leave the
machine until it comes to a complete stop.
33. Remove loose items and unnecessary work pieces from the area before starting the machine.
34. DON’T USE IN DANGEROUS ENVIRONMENT. Don’t use power tools in damp or wet locations, or
expose them to rain. Keep work area well lighted.
35. DIRECTION OF FEED. Feed work into the drum against the direction of rotation of the drum only.
Familiarize yourself with the following safety notices used in this manual:
This means that if precautions are not heeded, it may result in minor injury and/or
possible machine damage.
This means that if precautions are not heeded, it may result in serious injury or possibly
even death.
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Features
Figure 1
Figure 2 – Dust Port Locations
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Specifications
Model Number................................................DDS-225......................DDS-237......................DDS-237
Stock Number .................................................1791290.......................1791320.......................1791321
Main Motor ...................................................see below.....................see below.....................see below
Main Motor Speed (RPM)..................................... 1,725........................... 1,725........................... 1,725
Electrical Controls .........................................see below.....................see below.....................see below
Conveyor Motor.............................................see below.....................see below.....................see below
Conveyor Speed (SFPM) .................................8 and 12.......................8 and 12.......................8 and 12
Sanding Drum Diameter (in) ........................................6..................................6..................................6
Drum Length (in).......................................................25................................37................................37
Drum Speed (RPM) ............................................. 1,700........................... 1,700........................... 1,700
Maximum Board Width (in) ........................................25................................37................................37
Maximum Board Thickness (in)..............................5-1/4............................5-1/4............................5-1/4
Minimum Board Length (in) .........................................9..................................9..................................9
Minimum Board Thickness (in)................................ 1/32............................. 1/32............................. 1/32
Dust Port Diameter ......................................... two @ 4”...................... two @ 4”...................... two @ 4”
Dust Collection Capacity Required (CFM) .............. 1200........................... 1,200........................... 1,200
Shipping Weight (lbs).............................................. 840........................... 1,142........................... 1,142
Net Weight (lbs)...................................................... 730.............................. 962.............................. 962
Overall Dimensions (L x W x H) .................. 43 x 44 x 43................. 60 x 45 x 45................. 60 x 45 x 45
Main Motor :
S/N 1791290................................................................................. (TEFC) 5HP, 1Ph, 230V, 60Hz
S/N 1791320............................................................................. (TEFC) 7.5HP, 1Ph, 230V, 60Hz
S/N 1791321............................................... (TEFC) 10HP, 3Ph, 230/460V (prewired 230V), 60Hz
Conveyor Motor:
S/N 1791290.............................................................................. (TEFC) 1/4HP, 1Ph, 230V, 60Hz
S/N 1791320............................................................................. (TEFC) 1/4HP, 1Ph, 230V, 60Hz
S/N 1791321.............................................. (TEFC) 1/4HP, 3Ph, 230/460V (prewired 230V), 60Hz
Electrical Controls (all models).......................................................... 230V magnetic w/ reversing switch
The specifications in this manual are given as general information and are not binding. Walter Meier
(Manufacturing) Inc., reserves the right to effect, at any time and without prior notice, changes or
alterations to parts, fittings, and accessory equipment deemed necessary for any reason whatsoever.
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Unpacking
Open the shipping crate and check for shipping
damage. Report any damage immediately. Read
the owner’s manual thoroughly for assembly,
maintenance and safety instructions.
Shipping Contents
Note 1: Some parts are inside a box in the cabinet.
Note 2: Models DDS-225 and DDS-237 Drum
Sanders come from the factory with the first set of
abrasive strips installed with 80 grit sandpaper on
the front drum and 100 grit on the rear drum.
1
1
1
1
2
2
4
1
1
dual drum sander
handwheel
handle assembly
Figure 3
handwheel post
dust ports
open end wrenches (12-14mm and 17-19mm)
hex wrenches (2, 3, 4, and 5mm)
manual
warranty card
Installation and Assembly
Tools needed
1 forklift or hoist with straps
1 14mm open-end wrench (provided)
1 cross-point screwdriver
1 flat head screwdriver
1
set of hex wrenches (provided)
The sander should be placed in a well-lit area with
a sturdy floor and good ventilation. Leave enough
space around the machine for loading and off-
loading stock and general maintenance work.
Figure 4
Do NOT lift the sander directly under the drums or
rollers, as it may damage them. Use a forklift to
move the machine as follows (Refer to Figures 3
through 5):
1. Open the door and remove the four screws
holding the sander to the pallet.
2. Move away the wood block (A) at the front,
which protected the machine from shifting
during transport.
3. Tilt the machine backward just enough to
insert wood block (A).
4. Insert the forks into the gap and carefully lift
the machine.
5. Position the sander in its new location and
gently set it down.
Figure 5
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Exposed metal surfaces, such as the shafts on the
drums and pressure rollers, have been given a
protective coating at the factory. This should be
removed with a soft cloth moistened with kerosene.
Do not use acetone, gasoline, or lacquer thinner
for this purpose. Do not use solvents on plastic
parts, and do not use an abrasive pad because it
may scratch the surfaces.
Assembly
Handwheel Assembly
1. Slide the post up into the handwheel and
secure with the set screws, as shown in Fig 6.
2. Use a flat head screwdriver to screw the bolt of
the handle as far as it will go into the threaded
hole of the handwheel, then tighten the hex nut
down against the handwheel (Fig. 6).
Figure 6
The handle must rotate freely after tightening
the hex nut. If the handle is too tight, loosen
the hex nut and back out the bolt slightly, then
re-tighten the hex nut.
3. The handwheel assembly, used for raising and
lowering the conveyor table, is designed to be
mounted and removed quickly. Set the
handwheel assembly down into the hole of the
hood (Fig. 7) and rotate it until it seats itself
upon the pins of the leadscrew below.
Note: The handwheel must be removed before the
hood can be opened.
Figure 7
Dust Ports
Mount the two dust ports to the top of the hood
with eight 3/16 x 1/2 screws and eight flat washers
(Fig. 7).
Dust Collection
It is strongly recommended that you connect a
proper dust extraction system to the two 4” ports
atop the sander. Make sure the capacity of your
dust collector is at least 1200 CFM. See Figure 2
for a diagram of the dust port spacing.
Electrical Connections
Electrical connections must be
made by a qualified electrician in compliance
with all relevant codes. The machine must be
properly grounded to help prevent electrical
shock and possible fatal injury.
The installer must follow local regulations and
National Electrical Code,
installation requirements.
ANSI/NFPA 70
This tool should be connected to a grounded metal
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permanent wiring system; or to a system having an
equipment-grounding conductor.
Make sure the voltage of your power supply
matches the specifications on the motor plate of
the machine
Abrasive Paper Installation
Disconnect machine from
power source.
Proper attachment of the abrasive strips to the
drums is important for achieving top performance
from the sander.
Figure 8
See page 38 for a list of available abrasive strips
with their respective grits and some tips on
choosing the proper strip for a particular job. If
using different size grits simultaneously, always
place the coarser grit on the front drum.
Attach the abrasive paper as follows:
1. Open the hood by removing the handwheel
and turning the two locking handles at the front
counterclockwise.
2. Remove the socket head cap screw and
locking wedge (Fig. 8) from both ends of the
drum.
Figure 9
Note: If the wedge sticks, use a flat head
screwdriver as leverage to free it.
3. Cut a length of the Ready-To-Cut abrasive
strip (14'-9" for the DDS-225, 21'-3" for the
DDS-237). This will be enough to cover one
drum.
Note: The taper on the remaining roll can later
be used for the starting edge of your next strip.
Figure 10
4. Mark and cut a taper at the right end of the
abrasive strip (Fig. 9). Because the tapered
end should use all of the recess at the right
side of the drum, its end must be trimmed back
leaving an edge of about 1/2 inch, as shown.
Now trim the left side of the abrasive paper in
a similar manner (Fig. 10).
Note: An alternate method of tapering the
ends of the abrasive strip is to place the
removed sandpaper strip on top of the new
strip and to use this as a template.
5. Begin at the right end of the drum and tuck the
tapered right end of the abrasive roll into the
recess (Fig. 8). Place the locking wedge into
the recess and tighten firmly with the socket
head cap screw.
Figure 11
6. Begin wrapping the strip around the drum,
keeping it taut as you go. The tapered cut of
the strip should follow the right edge of the
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drum. Continue to wrap the abrasive in a
clockwise spiral fashion by rotating the drum
with your left hand and guiding the strip with
your right hand (Fig. 11). Successive windings
of the strip should be flush with previous
windings without any overlap.
7. The left end of the drum which contains the
recess is an independent piece (Fig. 12) that
can be rotated on the drum. This fastener is
spring-tensioned to take up any slack and hold
the abrasive strip firmly to the drum. Rotate
this fastener backward and hold it there with
your thumb as shown in Fig. 12.
8. Tuck the tapered left end of the strip into the
recess, as shown in Fig. 12, then insert the
locking wedge and socket head cap screw,
tightening the screw until the locking wedge is
firmly seated.
Figure 12
9. Release the spring-tensioned fastener. The
abrasive strip is now ready for use.
10. Repeat this procedure for the other drum.
Adjustments
Drum Height
When using different abrasive grits on the drums,
the height of the drums from the workpiece must
vary. To achieve this, the back drum (which should
always have the finer grit) has been designed for
easy adjustment.
1. Loosen the locking levers (Fig. 13) on both
sides of the machine by rotating them counter-
clockwise.
2. Rotate the adjustment knob to the desired
measurement, using the red triangular
indicator at the base of the dial. A label is
affixed below the locking lever showing the
proper settings. It is also shown in Fig. 14.
Figure 13
3. Repeat this dial setting on the opposite end of
the drum.
Note: It is important that the dial setting be
identical at both ends of the drum.
4. Tighten the locking levers (Fig. 13) by rotating
clockwise, before operating the sander.
Note: The locking levers are spring loaded –
you can move the handle to any position by
pulling out on the lever, rotating it on the hub,
then releasing.
Figure 14
Important: After changing abrasive strips, always
check and, if necessary, reset the back drum
height.
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Pressure Rollers
The pressure rollers (Fig. 15) maintain tension
upon the workpiece as it passes through the
machine. The spring tension of the pressure rollers
has been factory set. If a board refuses to pass
through the machine, or the finished surface of a
board is uneven, the spring tension of the pressure
rollers may need adjusting.
1. Loosen the hex nut (A, Fig. 15).
2. Place a 17mm wrench over the flat on the
adjusting screw (B, Fig. 15) and lower the
screw to increase the roller pressure on the
workpiece; or raise the screw to decrease the
pressure.
Figure 15
3. Retighten hex nut (A, Fig. 15).
4. Repeat this same adjustment at the opposite
end of the roller to maintain parallel.
5. Repeat procedure for other two pressure
rollers.
Do not over tighten the
adjusting screw, as excess roller pressure will
prevent the workpiece from passing through
the machine, and may cause the conveyor belt
to stop.
Table Height
Rotate the handwheel until the depth gauge
(Fig. 16) reads the appropriate depth. One revolu-
tion of the handwheel moves the table approxim-
ately 0.11”.
A limit plate (Fig. 16) is mounted to the front of the
sander. If the table has been set too high, the
workpiece will contact this plate and a limit switch
will shut off the conveyor table. If this happens, re-
position the table and restart the machine.
Figure 16
Table Parallelism
The conveyor table has been set parallel to the
drums at the factory. If the conveyor table should
ever need adjusting to bring it back into parallel
with the drums, proceed as follows:
1. Remove the front cover plate below the table
to expose the chain. Also remove the rear
cover plate.
2. Loosen the socket head cap screw on the
chain tensioner (Fig. 17) and slide the chain
tensioner assembly forward to slacken the
chain.
Figure 17
3. Remove the chain from around all four
sprockets.
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4. Insert a tool, such as a hex wrench or
screwdriver, through the hole on top of the
leadscrew (Fig 18) at that corner of the table
that is lowest.
5. Turn the leadscrew clockwise to raise the
table.
6. When the adjustment is complete, install the
chain over the four sprockets, and over the
chain tensioner roller. Push back the chain
tensioner assembly until proper tension is
achieved, then tighten the socket head cap
screw on the chain tensioner.
7. Install front and rear cover plates.
Figure 18
After this procedure, the pressure rollers should be
checked and adjusted if necessary (see Pressure
Rollers on page 16).
Lead Screw Thread Clearance
Referring to Figure 19 – If adjusting the table
height becomes difficult or if excessive clearance
forms between the lead screws and bushings,
adjustment may be required as described below.
Symptoms
ˆ Table wobble is noted
ˆ Difficulty is noted in table height adjustment
Corrective action
1. Determine the corner(s) requiring adjustment.
2. Use a 1/8" hex wrench to loosen the setscrew
(A, Fig. 19) between 1/4 and 1/2 turn.
To remove excessive clearance
3. Using a 1-1/8" wrench, slightly tighten the
eccentric bushing (B) by turning clockwise
(from right to left).
Figure 19
For clearance too tight, causing difficulty in table
height adjustment
3. Using a 1-1/8" wrench, slightly loosen the
eccentric bushing (B) by turning counter-
clockwise (from left to right).
After adjustment
4. Tighten the setscrew (A).
After adjusting the lead screw clearance, the table
must be rechecked for parallelism (previous
section).
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Conveyor Belt
Conveyor belt tension and tracking adjustments
may occasionally be necessary during break-in
and normal operation to compensate for belt
stretching. Adjust the tension of the conveyor belt
by turning the knobs (Fig. 20) clockwise to
increase tension, counterclockwise to decrease
tension. The belt should have just enough tension
to move the material without slipping on the drive
roller.
Do not over tighten the convey-
or belt. Excessive tension will cause stretching
and premature wear of the belt.
After tensioning the belt, turn on the machine and
run the conveyor in the forward direction at the
fastest speed setting. Watch for a tendency of the
conveyor belt to drift to one side of the conveyor. If
this happens, correct as follows:
Figure 20
1. On the side of the conveyor toward which the
belt is drifting, tighten the knob 1/4 turn
(Fig. 20) to shift the belt to the opposite
direction.
2. On the side of the conveyor away from which
the belt is drifting, loosen the knob.
3. After adjusting each take-up knob, allow time
for the belt to react to the adjustments before
proceeding further. Continue this adjustment
until the conveyor belt is tracking properly in
the center of the table. Try to avoid over-
adjustments.
Drive Belts
Check the tension of the drive belts by squeezing
the belts together in the middle (between the motor
and drum pulleys as shown in Fig. 21) with
moderate pressure. They are properly tensioned
when there is approximately 1/4” deflection.
Figure 21
If adjustment is necessary, loosen the hex nuts
(Fig. 22) and raise or lower the motor plate as
needed. (For example, to lower the motor plate
and increase tension, loosen the bottom nuts and
tighten the top nuts.) When finished, tighten the
nuts.
If replacing the belts, always replace them in
matched sets of the proper size.
Figure 22
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Pulley Alignment
The drum and motor pulleys must be in line so that
the belts are straight. To check this:
Place a straight edge, such as a metal ruler,
against the flat sides of the motor pulley and a
drum pulley (Fig. 23).
If the straight edge does not lie flush on the flat
sides of the pulleys, loosen the set screw on the
motor pulley (Fig. 22).
Move the motor pulley on the shaft until the straight
edge lies flush on both pulleys.
Tighten the set screw.
Figure 23
Changing Belts
The drums are heavy – use
an assistant to change belts.
Adjust the motor to allow slack in the belts, and
remove the two belts from around the motor
pulley. Belts should always be replaced as a
matched set.
Remove the four bolts holding the front drum to
the sides of the cabinet, and lift the front drum
out of the machine.
On the rear drum, loosen the two bolts at the
right side of the drum, but do not remove them.
Completely remove the two bolts that hold the
left side of the drum to the cabinet, and shift the
drum toward the right side. The left end of the
drum should come clear of the cabinet.
Remove the old belts and place the new belts
around the drum pulley. Reinsert the two bolts at
the left end of the drum and tighten firmly.
Retighten the two bolts at the right side of the
drum.
Check and adjust the tension of the new belts
before operating.
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type of wood, and feed rate. For best results,
use scrap wood to practice sanding and to
develop skill and familiarity with the machine
before doing finish work.
Maintenance
Note: See also Maintenance Checklist on
page 19.
A good rule of thumb when sanding with grits
finer than 80 is to lower the drum so it contacts
the workpiece but drum can still be rotated by
hand. When using grits coarser than 80 grit, you
can lower the drum slightly more. However, a
combination of several variables will determine
the proper depth of cut to use, including the
following:
For best results, perform the following proced-
ures on a routine basis:
ˆ Grease the four leadscrews on the table.
ˆ Lubricate the bushings at each end of the
pressure rollers. Use a dry type lubricant for
this, such as graphite or silicone that will not
attract dust.
ˆ Abrasive type and grit size.
ˆ Width of the piece being processed.
ˆ Hardness of the piece.
ˆ Keep the chain below the table clean and
oiled.
ˆ Clean sawdust from the abrasive strips with
a soft brush or cleaning stick.
ˆ Feed rate of the conveyor belt.
ˆ Blow dust from motors and switches.
Stock Feeding Angle
ˆ Check screws, nuts, etc. for tightness.
Some pieces, because of their dimensions, will
need to be fed into the machine at a 90º angle
(perpendicular to the drums). However, even a
slight offset angle of the stock will provide for
more effective stock removal. The optimum
feeding angle is about 60º (Fig. 24). Angling the
workpiece for stock removal provides other
advantages, such as less loading of certain
areas of the drums due to glue lines or mineral
streaks in the stock, more even wear of abrasive
strips, potentially faster feed rates, and lighter
loads on the motor.
ˆ Check the tension and condition of the belts;
dress with paraffin. (Do not get paraffin on
the abrasive belts.)
ˆ Check the oil level in the gearbox by
removing the oil plug on top, and inserting a
depth gauge (not included). Generally, the
oil should be about 3-1/2” lower than the top
surface of the gearbox. If low, fill as
necessary with EP2 oil.
NOTE: If using oil from a new source (i.e.
different brand), it is advisable to flush and
clean the gearbox before filling to avoid
potential incompatibility issues.
Note, however, that to get the best final finish
the stock should be fed through the machine so
it will be sanded in line with the grain of the
wood on the final one or two passes.
ˆ
Every 2,500 hours, completely drain and
refill gearbox with EP2 oil.
Multiple-Piece Sanding Runs
When abrasive planing (or thickness sanding) a
run of similar pieces that you want to have the
same thickness, it is best to determine the
thickness of the thinnest piece and process all
pieces to that same thickness in one session. Be
aware that the sander will remove cups and
crowns in the workpiece; consider this when
measuring and processing stock to the same
thickness.
Operations
Basic Operation
The basic operating procedure for the Dual
Drum Sander is as follows:
1. Set depth of cut.
2. Start drums.
When sanding multiple pieces simultaneously,
make sure to stagger (step) the pieces across
the width of the conveyor belt. This provides
better contact with the pressure rollers. Try to
only process multiple pieces of similar thickness.
If there is a significant thickness difference, the
thinner pieces may slip on the conveyor belt if
they do not contact the pressure rollers.
3. Start conveyor and select feed rate.
4. Start dust collector system.
5. Feed stock through unit.
Determining depth of cut is one of the most
important procedures for the sander. It may take
some experimentation to determine the proper
depth of cut, given the variables of abrasive grit,
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Edge Sanding
When edge sanding, the sander will mimic the
opposite edge of the stock which is lying on the
conveyor belt. Because of this, it is important for
the stock edge to have been ripped at the proper
angle to the face before the sanding process.
When edge sanding small stock, clamp several
pieces together to prevent them from slipping on
the conveyor belt.
Sanding Imperfect Stock
When sanding stock with a cup or crown, place
the crown up. This will stabilize the stock to help
prevent tipping or rocking during sanding. (After
the crown has been removed and the top is flat,
turn the stock over and sand the opposite side.)
To avoid personal injury, take special care when
sanding stock that is twisted, bowed, or
otherwise varies in thickness from end to end.
Figure 25
Abrasives
The abrasive material you choose will have a
substantial effect on the performance of your
sander. Variations in paper type, weight, coating
and durability all contribute to achieving your
desired finish. Ready-To-Cut strips are available
from Walter Meier (Manufacturing) Inc., and are
listed on page 39.
If possible, support such stock as it is being
sanded to keep it from slipping or tipping. Use
extra roller stands, help from another person, or
hand pressure on the stock, to minimize
potentially hazardous situations.
As with any sanding operation, first begin
sanding with a coarser grit, depending on the
roughness of the stock or the amount of stock to
be removed. Then progressively work toward
finer grits. This means if you are using two
different grits on your dual drum sander, the
coarser grit should always be placed on the front
drum.
The amount of stock to be removed is a major
consideration when choosing the grit grade to
start with. Grits 36 and 60 are primarily designed
for stock removal; grits over 100 are primarily
finishing grits designed to remove the scratch
pattern from the previous grit used. For best
results, never skip more than one grit grade
when progressing through a sanding sequence.
Figure 24
Face Frames & Raised Panel Doors
It is important to have the proper abrasive
contact when doing this type of sanding. If the
machine is set to take an excessive depth of cut,
the result can be a gouge or dip as the drum
goes from sanding the rails at full width to
sanding just a few inches of width of the stiles.
For fine work, such as furniture, try not to skip
any grit grades during the sanding process. In
general, premium quality abrasives will produce
a better finish with a less noticeable scratch
pattern.
Grits that are too fine can
sometimes burnish the wood and leave a
glossy surface which will not accept stains
evenly.
Reversing Conveyor Direction
If a board becomes jammed under the rollers,
back it out by reversing the conveyor direction,
using the switch (Fig. 25). Do not perform
sanding operations in reverse mode, as the
drums rotate in one direction only.
This will vary by type of wood. Oak, for example,
is susceptible to burnishing because of its open
pores.
Cleaning abrasive strips. Regularly clean the
abrasive strips on the drums with commercially
Allow the conveyor belt to
come to a complete stop before reversing
direction.
available cleaning sticks,
manufacturer’s directions.
following the
Cloth backed
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abrasives may also be cleaned by soaking in
paint thinner or mineral spirits for 20 minutes to
1 hour, then using a brush to remove any build-
up or burns. Dry the abrasive strips completely
before reuse.
from the drum and reversing it. To do this,
remove the strip and use what was the trailing
end as the starting end on the right side of the
drum. Reversing the strip will provide a fresh set
of cutting edges on the abrasive.
Extending Abrasive Life. Abrasive life can also
be increased by removing the abrasive strip
Switch Lock
To safeguard your machine from unauthorized operation and to avoid accidental starting by young
children, the use of a padlock (not provided) is highly recommended. A suitable padlock, stock no.
709012-A, is available from Walter Meier (Manufacturing) Inc.; call 1-800-274-6848 to order.
Figure 26
To lock out an on/off switch (Figure 26):
1. Open the padlock.
2. Insert through holes in the start button.
3. Close the padlock.
4. Store padlock key in a safe place.
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Maintenance Checklist
ˆ Lubricate chain and check tension.
ˆ Check belt condition - replace as needed.
Dress with paraffin. Check belt tension.
ˆ Check motor for loose wiring and sawdust
congestion.
ˆ Pulleys tight and in line.
ˆ Check bearings. Replace any bad or
suspect bearings immediately.
Note: See also the Maintenance section on
page 16.
ˆ Work area around machine marked off
clearly.
ˆ Non-skid floor strips in area where operator
normally stands.
ˆ Inspect entire machine for loose bolts, nuts,
screws. Tighten and replace as necessary.
ˆ Clean conveyor and drum areas, removing
sawdust and chips with compressed air or a
soft bristle brush. Remove gum and pitch
from metal areas with oven cleaner.
Troubleshooting
Performance Problems
Problem
Possible Cause
Solution
Abrasive belt glazes
Work burns
Wood is wet or gummy
Wrong grit
No cure. Use different stock
Use coarser grit for stock removal
Abrasive belt burns,
clogs quickly
Biting too deep
Adjust for slight sanding action and
make repeated passes
Excessive abrasive
belt replacement
Biting too deep
Reduce cut and make multiple passes
Sanding marks on
workpiece
Abrasive belt too coarse for finish
required
Use proper grit for finish sanding
Sanding across the grain
When surface sanding, use very fine
abrasive belt then finish by hand,
working in direction of grain.
Poor sanding quality
Abrasive belts worn
Replace abrasive belts
Abrasive belts not tight on drum
Re-wrap and properly tighten
abrasive belts.
A slight taper across
the sanded face of
the workpiece
Height of rear drum has not been
adjusted evenly on both ends
Make drum setting equal both ends
Conveyor table not parallel to drums
Correct table parallelism
Conveyor table hard
to move, or tends to
bind on the
Leadscrews not greased
Table not parallel
Lubricate leadscrews
Correct table parallelism
leadscrews
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Mechanical & Electrical Problems
Problem: Machine will not start, restart, or repeatedly trips circuit breaker or blows fuses
Possible Cause
Solution
1. No incoming power
1. Verify unit is connected to power.
2. Overload automatic reset 2. When sander overloads on the circuit breaker built into the motor
has not reset
starter, it takes time for the machine to cool down before restart.
Allow unit to adequately cool before attempting restart. If problem
persists, check amp setting on the motor starter inside the
electrical box.
3. Sander trips frequently
3. One cause of overloading trips which are not electrical in nature is
too heavy a cut. The solution is to take a lighter cut. If too deep a
cut is not the problem, then check the amp setting on the overload
relay. Match the full load amps on the motor as noted on the motor
plate. If amp setting is correct then there is probably a loose
electrical lead. Check amp setting on the motor starter.
4. Building circuit breaker
trips or fuse blows.
4. Verify that sander is on a circuit of correct size. If circuit size is
correct, there is probably a loose electrical lead, Check amp
settings on motor starter.
5. Loose electrical
connections.
5. Go through all the electrical connections on the sander including
motor connections, verifying the tightness of each. Look for any
signs of electrical arcing which is a sure indicator of loose
connections or circuit overload.
6. Motor starter failure
6. Examine motor starter for burned or failed components. If damage
is found, replace motor starter. If motor starter looks okay but is
still suspect, you have two options: have a qualified electrician test
the motor starter for function, or purchase a new starter and
establish if that was the problem on changeout.
If you have access to a voltmeter, you can separate a starter
failure from a motor failure by first, verifying incoming voltage at
230 +/-20 VAC. If incoming voltage is incorrect, you have a power
supply problem.
If voltage between starter and motor is correct, you have a motor
problem.
7. Motor failure
7. If electric motor is suspect, you have two options: Have a qualified
electrician test the motor for function or remove the motor and take
it to a qualified electric motor repair shop and have it tested.
8. Miswiring of the unit.
8. Double check to confirm all electric connections are correct and
properly tight. The electrical connections other than the motor are
pre-assembled and tested at the factory. Therefore, the motor
connections should be double checked as the highest probability
of error. If problem persists, double check the factory wiring.
9. On/off switch failure
9. If the on/off switch is suspect, you have two options: Have a
qualified electrician test the switch for function, or purchase a new
on/off switch and establish if that was the problem on changeout.
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Parts – DDS-225 Sander
Drum Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
1.............. DDS225-101A .........Rear Drum (serial no. 1009DDS2252795 and higher)..................................1
2.............. DDS225-102A .........Abrasive Fastener-Right (serial no. 1009DDS2252795 and higher)..............2
3.............. DDS225-103A .........Abrasive Fastener-Left (serial no. 1009DDS2252795 and higher)................2
4.............. DDS225-104 ...........Spring................................................................................................2
5.............. DDS225-105 ...........Locking Wedge...................................................................................4
8.............. DDS225-108 ...........Pulley.................................................................................................2
9.............. DDS225-109 ...........Tension Roller ....................................................................................3
10............ DDS225-110 ...........Bushing..............................................................................................6
11............ DDS225-111 ...........Spring................................................................................................6
12............ DDS225-112 ...........Bracket ..............................................................................................6
13............ DDS225-113 ...........Bearing Assembly.............................................UCFL205 ...................4
14............ VB-B68 ...................Belt....................................................................................................2
15............ DDS225-115 ...........Key..................................................................8 x 7 x 50 ...................2
16............ DDS225-116 ...........Adjusting Bushing...............................................................................6
17............ TS-0561031 ............Hex Nut............................................................3/8-16NC .................20
18............ TS-0051011 ............Hex Cap Screw ................................................5/16-18 x 1/2............12
19............ TS-0720081 ............Lock Washer ....................................................5/16.........................12
20............ TS-0060071 ............Hex Cap Screw ................................................3/8-16 x 1-1/2.............8
21............ TS-0100041 ............Hex Cap Screw ................................................1/2-12 x 1-1/4.............8
22............ TS-0720111 ............Lock Washer ....................................................1/2.............................8
23............ TS-0060011 ............Hex Cap Screw ................................................3/8-16 x 1/2................4
24............ TS-0720091 ............Lock Washer ....................................................3/8...........................12
25............ TS-1550071 ............Flat Washer......................................................M10...........................4
26............ TS-0207061 ............Socket Head Cap Screw ...................................1/4-20 x 1...................4
27............ TS-0270091 ............Socket Set Screw .............................................5/16-18 x 1.................4
29............ TS-0060051 ............Hex Cap Screw ................................................3/8-16 x 1...................2
30............ TS-0208021 ............Socket Head Cap Screw ...................................5/16-18 x 1/2..............4
31............ TS-0270051 ............Socket Set Screw .............................................5/16-18 x 1/2..............2
32............ DDS225-132 ...........Spring................................................................................................2
33............ DDS225-133 ...........Steel Ball..........................................................∅5mm .......................2
34............ TS-0267021 ............Socket Set Screw .............................................1/4-20 x 1/4................4
35............ DDS225-135 ...........Adjusting Knob ...................................................................................2
36............ DDS225-136 ...........Lead Screw........................................................................................2
37............ TS-0207041 ............Socket Head Cap Screw ...................................1/4-20 x 3/4................4
39............ TS-0720071 ............Lock Washer ....................................................1/4.............................4
40............ DDS225-140 ...........Top Cover-Right .................................................................................1
41............ DDS225-141 ...........Collar.................................................................................................2
42............ DDS225-142 ...........Slide ..................................................................................................2
43............ DDS225-143 ...........Locking Lever.....................................................................................2
44............ DDS225-144 ...........Slide Bracket-Right .............................................................................1
45............ TS-0561011 ............Hex Nut............................................................1/4-20NC ...................4
46............ TS-0267091 ............Socket Set Screw .............................................1/4-20 x 1...................4
47............ DDS225-147 ...........Gib-Right............................................................................................1
48............ DDS225-148 ...........Top Cover-Left ...................................................................................1
49............ TS-1541041 ............Hex Nylon Lock Nut ..........................................M10...........................6
50............ DDS225-150 ...........Adjusting Screw..................................................................................6
51............ DDS225-151 ...........Hex Nut............................................................M22 x 1.5P x 5T .........6
52............ DDS225-152 ...........Slide Bracket-Left ...............................................................................1
53............ DDS225-153 ...........Gib-Left..............................................................................................1
54............ DDS225-154A .........Front Drum (serial no. 1009DDS2252795 and higher).................................1
................
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Drum Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
55............ TS-1521021 ............Socket Set Screw .............................................M4 x 6........................4
56............ DDS225-156 ...........Roll Pin............................................................∅2 x 8mm ..................2
57............ ...............................Abrasive (see Optional Accessories on page 39)
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Conveyor Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
1.............. DDS225-201 ...........Table .................................................................................................1
2.............. DDS225-202 ...........Support Bracket, Left-Front .................................................................1
3.............. DDS225-203 ...........Support Bracket, Right-Front ...............................................................1
4.............. DDS225-204 ...........Support Bracket, Left-Rear..................................................................1
5.............. DDS225-205 ...........Support Bracket, Right-Rear................................................................1
6.............. DDS225-206B .........Leadscrew Holder, Right-Front ............................................................1
7.............. DDS225-207B .........Leadscrew Holder, Left-Front and Right-Rear.......................................2
8.............. DDS225-208 ...........Rod ...................................................................................................1
9.............. DDS225-209 ...........Front Roller ........................................................................................1
10............ DDS225-210 ...........Front Support Plate.............................................................................1
11............ DDS225-211 ...........Collar.................................................................................................2
12............ DDS225-212 ...........Adjusting Knob ...................................................................................2
13............ DDS225-213 ...........Rear Roller.........................................................................................1
14............ DDS225-214 ...........Rear Support Plate .............................................................................1
15............ DDS225-215A .........Drive Leadscrew.................................................................................1
16............ DDS225-216A .........Driven Leadscrew...............................................................................3
17............ DDS225-217 ...........Sprocket ............................................................................................4
18............ DDS225-218 ...........Support Bracket..................................................................................8
19............ DDS225-219 ...........Guide Plate ........................................................................................2
20............ DDS225-220 ...........Post...................................................................................................1
21............ DDS225-221 ...........Handle ...............................................................................................1
22............ DDS225-222 ...........Pointer ...............................................................................................1
23............ DDS225-223 ...........Collar.................................................................................................2
24............ DDS225-224 ...........Bolt....................................................................................................1
25............ BB-6203ZZ..............Ball Bearing......................................................6203ZZ ......................4
26............ DDS225-226 ...........Thrust Bearing....................................................................................4
27............ DDS225-227 ...........Roll Pin............................................................∅6 x 25mm ................1
28............ DDS225-228 ...........Chain.................................................................................................1
29............ TS-081F022 ............Phillips Pan Head Machine Screw......................1/4-20 x 3/8................1
30............ TS-0050011 ............Hex Cap Screw ................................................1/4-20 x 1/2................8
31............ TS-0207111 ............Socket Head Cap Screw ...................................1/4-20 x 2-1/4...........16
32............ TS-0720071 ............Lock Washer ....................................................1/4...........................24
33............ DDS225-233A .........Special Nut.......................................................7/8-9..........................3
34............ DDS225-234 ...........Key..................................................................5 x 5 x 18mm..............4
35............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4............16
36............ TS-0720081 ............Lock Washer ....................................................5/16.........................26
37............ TS-0050081 ............Hex Cap Screw ................................................1/4-20 x 1-3/4.............8
38............ TS-0561021 ............Hex Nut............................................................5/16-18NC ...............10
39............ TS-1550061 ............Flat Washer......................................................M8...........................28
40............ DDS225-240 ...........Bushing..............................................................................................1
41............ DDS225-241 ...........Conveyor ...........................................................................................1
42............ TS-0561031 ............Hex Nut............................................................3/8-16NC ...................1
43............ DDS225-243 ...........Front Cover ........................................................................................1
44............ DDS225-244 ...........Rear Cover.........................................................................................1
45............ DDS225-245B .........Threaded Bushing ..............................................................................4
46............ DDS225-246 ...........Handwheel.........................................................................................1
47............ TS-0270071 ............Socket Set Screw .............................................5/16-18 x 3/4..............2
48............ DDS225-248B .........Leadscrew Holder, Left-Rear...............................................................1
49............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4..............6
50............ TS-0561011 ............Hex Nut............................................................1/4-20........................8
51............ TS-0680021 ............Flat Washer......................................................1/4.............................8
52............ DDS225-336 ...........Hex Head Screw...............................................1/4-20x3/8..................8
53............ DDS237-257 ...........Lower Bracket ....................................................................................4
54............ DDS237-259 ...........Upper Bracket ....................................................................................4
55............ TS-0680011 ............Flat Washer......................................................3/16...........................8
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Conveyor Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
56............ TS-081C022............Screw ..............................................................#10-24 x 3/8...............8
57............ DDS237-260 ...........Boot...................................................................................................4
59............ TS-0208021 ............Socket Head Cap Screw ...................................5/16-18 x 1/2..............8
60............ DDS225-260 ...........Nylon Washer.....................................................................................8
61............ TS-0267071 ............Set Screw ........................................................1/4-20x3/4..................7
62............ DDS225-262 ...........Special Nut.......................................................7/8-9..........................4
63............ TS-0267021 ............Socket Set Screw .............................................1/4-20x1/4..................1
64............ DDS225-264 ...........Special Nut.......................................................7/8-9..........................1
................ DDS225-SBR ..........Screw and Boot Replacement Kit...........................................................
(includes # 6, 7, 15, 16, 26, 33, 40, 45, 48, 51 thru 57, 60 thru 64)
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Motor & Cabinet Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
1.............. DDS225-301 ...........Cabinet ..............................................................................................1
2.............. DDS225-302 ...........Support Bracket-Front.........................................................................1
3.............. DDS225-303 ...........Support Bracket-Rear .........................................................................1
4.............. DDS225-304 ...........Motor Plate.........................................................................................1
5.............. DDS225-305 ...........Motor Pulley .......................................................................................1
6.............. DDS225-306 ...........Motor...............................................................5HP, 1Ph, 230V..........1
................ DDS225-306MF.......Motor Fan ..........................................................................................1
................ DDS225-306MFC ....Motor Fan Cover.................................................................................1
................ JWBS20QT-218CS..Centrifugal Switch...............................................................................1
................ DDS225-306SC.......Starting Capacitor.............................................150MFD, 250VAC.......1
................ DDS225-306SCA.....Starting Capacitor.............................................200MFD, 250VAC.......1
................ DDS225-306RC.......Running Capacitor ............................................30µF, 450VAC............1
................ DDS225-306JB........Junction Box ......................................................................................1
................ DDS225-306JBC .....Junction Box Cover.............................................................................1
7.............. DDS225-307 ...........Adjusting Screw..................................................................................2
8.............. DDS225-308 ...........Hinge.................................................................................................2
9.............. DDS225-309 ...........Fixed Block ........................................................................................1
10............ DDS225-310 ...........Cylinder .............................................................................................1
11............ DDS225-311 ...........Flow Deflector ....................................................................................1
12............ DDS225-312 ...........Top Cover ..........................................................................................1
13............ DDS225-313 ...........Dust Chute.........................................................................................2
14............ DDS225-314 ...........Roller Holder ......................................................................................1
15............ DDS225-315 ...........Idle Roller...........................................................................................1
16............ DDS225-316 ...........Switch Bracket....................................................................................1
17............ DDS225-317 ...........Direction Label ...................................................................................1
18............ DDS225-318 ...........Scale .................................................................................................1
19............ DDS225-319 ...........Spacer ...............................................................................................1
20............ DDS225-320 ...........Door Latch .........................................................................................3
21............ DDS225-321 ...........Handle ...............................................................................................1
22............ DDS225-322 ...........Magnetic Switch .................................................................................1
23............ DDS225-323A .........Power Cord........................................................................................1
24............ DDS225-324 ...........Strain Relief .....................................................................................10
25............ DDS225-325 ...........Key..................................................................5 x 5 x 55 mm.............1
26............ DDS225-326 ...........Screw ..............................................................3/16-24 x 1/2............23
27............ TS-0720051 ............Lock Washer ....................................................#10..........................22
28............ TS-0060031 ............Hex Cap Screw ................................................3/8-16 x 3/4................6
29............ TS-0720091 ............Lock Washer ....................................................3/8...........................10
30............ TS-1550071 ............Flat Washer......................................................M10...........................4
31............ TS-0050051 ............Hex Cap Screw ................................................1/4-20 x 1...................1
32............ TS-0207021 ............Socket Head Cap Screw ...................................1/4-20 x 1/2................2
33............ TS-0720071 ............Lock Washer ....................................................1/4...........................20
34............ TS-0050061 ............Hex Cap Screw ................................................1/4-20 x 1-1/4.............1
35............ TS-0640071 ............Hex Nylon Lock Nut ..........................................1/4-20NC ...................2
36............ DDS225-336 ...........Hex Head Screw...............................................1/4-20 X 3/8 ...............6
37............ TS-0680021 ............Flat Washer......................................................1/4...........................10
38............ TS-0050011 ............Hex Cap Screw ................................................1/4-20 x 1/2................6
39............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4..............2
40............ TS-0561021 ............Hex Nut............................................................5/16-18NC .................2
42............ DDS225-342 ...........Flat Washer......................................................8mm x 30 x 3T............5
43............ TS-0270031 ............Socket Set Screw .............................................5/16-18 x 3/8..............2
44............ TS-0561031 ............Hex Nut............................................................3/8-16NC .................10
45............ TS-0060061 ............Hex Cap Screw ................................................3/8-16NC x 1-1/4 ........4
46............ DDS225-346 ...........Shoulder Screw ..................................................................................1
47............ TS-0208061 ............Hex Cap Screw ................................................5/16-18 x 1.................1
48............ TS-081F032 ............Phillips Pan Head Machine Screw......................1/4-20 x 1/2................4
25
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Motor & Cabinet Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
50............ DDS225-350 ...........Label (Drum Setting Gauge) ................................................................2
51............ TS-1550061 ............Flat Washer......................................................M8.............................1
52............ TS-1550071 ............Flat Washer......................................................M10...........................8
53............ DDS225-353 ...........Strain Relief .......................................................................................3
54............ DDS225-354 ...........Motor Cord.........................................................................................1
55............ DDS225-355 ...........Front Cover ........................................................................................1
56............ TS-1550031 ............Flat Washer......................................................M5...........................16
58............ DDS225-358 ...........Screw ..............................................................3/16-24 x 3/8..............8
59............ DDS225-359 ...........Rear Cover.........................................................................................1
60............ DDS225-360 ...........Self Tapping Screw...........................................#10 x 1/2....................2
61............ TS-069204 ..............Flat Washer......................................................SAE #10 ....................2
62............ DDS225-362 ...........Lock Piece .........................................................................................2
63............ DDS225-363 ...........Plastic Nut..........................................................................................2
64............ DDS225-364 ...........Lock Housing .....................................................................................2
65............ DDS225-365 ...........Lock Knob..........................................................................................2
66............ TS-0207011 ............Socket Head Cap Screw ...................................1/4-20 x 3/8................4
68............ DDS225-368 ...........Holder................................................................................................2
69............ DDS225-369 ...........Plate..................................................................................................1
70............ TS-1490111 ............Hex Cap Screw ................................................M8 x 60......................2
72............ DDS225-372 ...........Spring................................................................................................2
73............ TS-1540061 ............Hex Nut............................................................M8.............................2
74............ TS-081F022 ............Phillips Pan Head Machine Screw......................1/4-20 x 3/8................4
75............ DDS225-375 ...........Screw ..............................................................3/16-24 x 1-1/4...........2
76............ DDS225-376A .........Limit Switch........................................................................................1
77............ DDS225-377 ...........Cord Holder........................................................................................2
78............ DDS225-378A .........Limit Switch Cord................................................................................1
79............ DDS225-379 ...........Switch Cord, Reverse Switch to Conveyor Motor ..................................1
80............ TS-2284082 ............Phillips Pan Head Machine Screw......................M4 x 8........................1
81............ DDS225-381 ...........Switch Cover ......................................................................................1
82............ DDS225-382 ...........Reverse Switch ..................................................................................1
83............ DDS225-383 ...........Switch Bracket....................................................................................1
85............ 3312341..................Powermatic Logo ...............................................................................1
86............ DDS225-WL............Warning Label (not shown)..................................................................1
87............ DDS225-387 ...........Grounding Cord..................................................................................1
88............ DDS225-388 ...........Junction Box ......................................................................................1
89............ DDS225-389 ...........Junction Box Cover.............................................................................1
90............ DDS225-390 ...........Star Washer .......................................................................................2
26
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Motor & Cabinet Assembly – DDS-225
27
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Gearbox Assembly – DDS-225
Index No. Part No.
Description
Size
Qty
1.............. DDS225-401A ........Gearbox Body (serial no. 0506DDS225584 and higher) ..............................1
2.............. TS-0720071 ............Lock Washer ....................................................1/4.............................4
3.............. TS-0207071 ............Socket Head Cap Screw ...................................1/4-20 x 1-1/4.............4
4.............. DDS225-404 ...........Drain Plug ..........................................................................................1
5.............. BB-626VV ...............Ball Bearing........................................................................................2
6.............. DDS225-406 ...........Gear ................................................................66T............................1
7.............. DDS225-407 ...........Key..................................................................4 x 4 x 8.....................1
8.............. DDS225-408 ...........Pinion ................................................................................................1
9.............. BB-6000VV .............Ball Bearing......................................................6000VV......................1
10............ DDS225-410 ...........C-Ring ...............................................................................................1
11............ DDS225-411 ...........Gear ................................................................70T............................1
12............ DDS225-412 ...........Gear ................................................................57T............................1
13............ DDS225-413 ...........Shaft..................................................................................................1
14............ BB-6002VV .............Ball Bearing......................................................6002VV......................2
15............ DDS225-415 ...........Key..................................................................5 x 5 x 20 ...................1
16............ DDS225-416 ...........Shaft..................................................................................................1
17............ DDS225-417 ...........Cover.................................................................................................1
18............ TS-1503041 ............Socket Head Cap Screw ...................................M6 x 16......................8
19............ DDS225-419 ...........Key..................................................................5 x 5 x 30 ...................1
20............ DDS225-420 ...........Collar.................................................................................................1
21............ DDS225-421 ...........Oil Plug..............................................................................................1
22............ DDS225-422 ...........Handle ...............................................................................................1
23............ BB-6006VV .............Ball Bearing........................................................................................1
27............ DDS225-427 ...........Block .................................................................................................1
29............ DDS225-429A .........Gear Assembly (s/n 0509DDS225726 and higher)... 64T / 77T ...................1
30............ DDS225-430 ...........Key..................................................................6 x 6 x 50 ...................1
31............ DDS225-431 ...........Cable.................................................................................................1
32............ DDS225-432A .........Motor (serial no. 0506DDS225584 and higher).........1/4HP, 1Ph, 230V.......1
................ DDS225-432MF.......Motor Fan ..........................................................................................1
................ DDS225-432MFC ....Motor Fan Cover.................................................................................1
................ DDS225-432RC.......Running Capacitor ............................................10μF, 350VAC............1
................ DDS225-432JB........Junction Box ......................................................................................1
................ DDS225-432JBC .....Junction Box Cover.............................................................................1
33............ DDS225-433 ...........Gasket...............................................................................................2
34............ DDS225-434 ...........Steel Ball............................................................................................1
35............ DDS225-435 ...........Spring................................................................................................1
36............ TS-1523011 ............Socket Set Screw .............................................M6 x 6........................1
37............ DDS225-324 ...........Strain Relief .......................................................................................1
38............ DDS225-438 ...........Oil Seal..............................................................................................1
39............ DDS225-439 ...........Gasket...............................................................................................1
40............ DDS225-440 ...........Oil Seal..............................................................................................1
28
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Gearbox Assembly – DDS-225 Drum
29
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Parts – DDS-237 Sander
Drum Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
1.............. DDS237-101B .........Rear Drum (serial no. 1008DDS2370150 and higher.) ................................1
2.............. DDS225-102A .........Abrasive Fastener-Right (serial no. 1008DDS2370150 and higher)..............2
3.............. DDS225-103A .........Abrasive Fastener-Left (serial no. 1008DDS2370150 and higher)................2
4.............. DDS225-104 ...........Spring................................................................................................2
5.............. DDS225-105 ...........Locking Wedge...................................................................................4
6.............. ...............................Abrasive (80 Grit) – see Optional Accessories on page 39.....................1
7.............. ...............................Abrasive (100 Grit) – see Optional Accessories on page 39...................1
8.............. DDS225-108 ...........Pulley.................................................................................................2
9.............. DDS237-109 ...........Tension Roller ....................................................................................3
10............ DDS225-110 ...........Bushing..............................................................................................6
11............ DDS225-111 ...........Spring................................................................................................6
12............ DDS225-112 ...........Bracket ..............................................................................................6
13............ DDS225-113 ...........Bearing Assembly.............................................UCFL205 ...................4
14............ VB-B70 ...................Belt..................................................................B-70...........................2
15............ DDS225-115 ...........Key..................................................................8 x 7 x 50 ...................2
16............ DDS225-116 ...........Adjusting Bushing...............................................................................6
17............ TS-0561031 ............Hex Nut............................................................3/8-16........................2
18............ TS-0208031 ............Socket Head Cap Screw ...................................5/16-18 x 5/8............12
19............ TS-0720081 ............Lock Washer ....................................................5/16.........................12
20............ TS-0060061 ............Hex Cap Screw ................................................3/8-16 x 1-1/4.............8
21............ TS-0100041 ............Hex Cap Screw ................................................1/2-13 x 1-1/4.............4
22............ TS-0720111 ............Lock Washer ....................................................1/2.............................8
23............ TS-0060081 ............Hex Cap Screw ................................................3/8-16 x 1-3/4.............4
24............ TS-0720091 ............Lock Washer ....................................................3/8.............................4
25............ TS-1550071 ............Flat Washer......................................................M10...........................4
26............ TS-0207061 ............Socket Head Cap Screw ...................................1/4-20 x 1...................4
27............ TS-0270051 ............Socket Set Screw .............................................5/16-18 x 1/2..............4
29............ TS-0060051 ............Hex Cap Screw ................................................3/8-16 x 1...................2
30............ TS-0208021 ............Socket Head Cap Screw ...................................5/16-18 x 1/2..............4
31............ TS-0270051 ............Socket Set Screw .............................................5/16-18 x 1/2..............2
32............ DDS225-132 ...........Spring................................................................................................2
33............ DDS225-133 ...........Steel Ball..........................................................∅1/4 ..........................2
34............ TS-0267021 ............Socket Set Screw .............................................1/4-20 x 1/4................4
35............ DDS225-135 ...........Adjusting Knob ...................................................................................2
36............ DDS225-136 ...........Lead Screw........................................................................................2
37............ TS-0207041 ............Socket Head Cap Screw ...................................1/4-20 x 3/4................4
38............ TS-0680061 ............Flat Washer......................................................1/2.............................4
39............ TS-0720071 ............Lock Washer ....................................................1/4.............................4
40............ DDS225-140 ...........Top Cover-Right .................................................................................1
41............ DDS225-141 ...........Collar.................................................................................................2
42............ DDS225-142 ...........Slide ..................................................................................................2
43............ DDS225-143 ...........Locking Lever.....................................................................................2
44............ DDS225-144 ...........Slide Bracket-Right .............................................................................1
45............ TS-0561011 ............Hex Nut............................................................1/4-20........................4
46............ TS-0267091 ............Socket Set Screw .............................................1/4-20 x 1...................4
47............ DDS225-147 ...........Gib-Right............................................................................................1
48............ DDS225-148 ...........Top Cover-Left ...................................................................................1
49............ TS-1541041 ............Nylon Insert Lock Nut........................................M10...........................6
50............ DDS225-150 ...........Adjusting Screw..................................................................................6
51............ DDS225-151 ...........Hex Nut............................................................M22 x 1.5P x 5T .........6
52............ DDS225-152 ...........Slide Bracket-Left ...............................................................................1
53............ DDS225-153 ...........Gib-Left..............................................................................................1
30
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Drum Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
54............ DDS237-154B .........Front Drum (serial no. 1008DDS2370150 and higher) ................................1
55............ TS-1521041 ............Socket Set Screw .............................................M4 x 10......................4
56............ DDS225-156 ...........Roll Pin............................................................∅2 x 8mm ..................2
57............ TS-0720091 ............Lock Washer ....................................................3/8.............................8
58............ TS-0100041 ............Hex Cap Screw ................................................1/2-13x 1-1/4..............4
31
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Conveyor Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
1.............. DDS237-201 ...........Table .................................................................................................1
2.............. DDS225-202 ...........Support Bracket, Left-Front .................................................................1
3.............. DDS225-203 ...........Support Bracket, Right-Front ...............................................................1
4.............. DDS225-204 ...........Support Bracket, Left-Rear..................................................................1
5.............. DDS225-205 ...........Support Bracket, Right-Rear................................................................1
6.............. DDS225-206B .........Leadscrew Holder, Right-Front ............................................................1
7.............. DDS225-207B .........Leadscrew Holder, Left-Front and Right-Rear.......................................2
8.............. DDS237-208 ...........Rod ...................................................................................................1
9.............. DDS237-209 ...........Front Roller ........................................................................................1
10............ DDS237-210 ...........Front Support Plate.............................................................................1
11............ DDS225-211 ...........Collar.................................................................................................2
12............ DDS225-212 ...........Adjusting Knob ...................................................................................2
13............ DDS237-213 ...........Rear Roller.........................................................................................1
14............ DDS237-214 ...........Rear Support Plate .............................................................................1
15............ DDS225-215A .........Drive Leadscrew.................................................................................1
16............ DDS225-216A .........Driven Leadscrew...............................................................................3
17............ DDS225-217 ...........Sprocket ............................................................................................4
18............ DDS225-218 ...........Support Bracket..................................................................................8
19............ DDS225-219 ...........Guide Plate ........................................................................................2
20............ DDS225-220 ...........Post...................................................................................................1
21............ DDS225-221 ...........Handle ...............................................................................................1
22............ DDS225-222 ...........Pointer ...............................................................................................1
23............ DDS225-223 ...........Collar.................................................................................................2
24............ DDS225-224 ...........Bolt....................................................................................................1
25............ BB-6203ZZ..............Ball Bearing......................................................6203ZZ ......................4
26............ DDS225-226 ...........Thrust Bearing....................................................................................4
27............ DDS225-227 ...........Roll Pin............................................................∅6 x 25mm ................1
28............ DDS237-228 ...........Chain.................................................................................................1
29............ TS-0813022 ............Round Head Machine Screw .............................1/4-20 x 3/8................1
30............ TS-0050011 ............Hex Cap Screw ................................................1/4-20 x 1/2................8
31............ TS-0207111 ............Socket Head Cap Screw ...................................1/4-20 x 2-1/4...........16
32............ TS-0720071 ............Lock Washer ....................................................1/4...........................24
33............ DDS225-233A .........Hex Nut............................................................7/8-9..........................4
34............ DDS225-234 ...........Key..................................................................5 x 5 x 18mm..............4
35............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4............16
36............ TS-0720081 ............Lock Washer ....................................................5/16.........................24
39............ TS-1550061 ............Flat Washer......................................................M8...........................16
40............ DDS225-240 ...........Bushing..............................................................................................1
41............ DDS237-241 ...........Conveyor ...........................................................................................1
42............ TS-0561031 ............Hex Nut............................................................3/8-16........................1
43............ DDS237-243 ...........Front Cover ........................................................................................1
44............ DDS237-244 ...........Rear Cover.........................................................................................1
45............ DDS225-245B .........Threaded Bushing ..............................................................................4
46............ DDS225-246 ...........Hand Wheel .......................................................................................1
47............ TS-0270051 ............Socket Set Screw .............................................5/16-18 x 1/2..............2
48............ DDS225-248B .........Leadscrew Holder, Left-Rear...............................................................1
49............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4..............6
50............ TS-0680031 ............Flat Washer......................................................5/16.........................12
51............ TS-0720081 ............Lock Washer ....................................................5/16...........................6
52............ TS-0561021 ............Hex Nut............................................................5/16-18 ......................6
53............ TS-0208021 ............Socket Head Cap Screw ...................................5/16-18 x 1/2..............8
54............ TS-0561011 ............Hex Nut............................................................1/4-20 .......................8
55............ TS-0050081 ............Hex Cap Screw ................................................1/4-20 x1-3/4..............8
56............ TS-0680011 ............Flat Washer......................................................3/16...........................8
57............ DDS237-257 ...........Lower Bracket ....................................................................................4
32
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Conveyor Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
59............ DDS237-259 ...........Upper Bracket ....................................................................................4
60............ DDS237-260 ...........Boot...................................................................................................4
61............ TS-081C022............Screw ..............................................................#10-24 x 3/8...............8
62............ TS-0680021 ............Flat Washer......................................................1/4.............................8
63............ DDS225-336 ...........Hex Head Screw...............................................1/4-20 x 3/8................8
64............ DDS225-260 ...........Nylon Washer.....................................................................................8
65............ TS-0267071 ............Set Screw ........................................................1/4-20 x 3/4................7
66............ DDS225-262 ...........Special Nut.......................................................7/8-9..........................4
67............ TS-0267021 ............Socket Set Screw .............................................1/4-20 x 1/4................1
................ DDS237-SBR ..........Screw and Boot Replacement Kit ..........................................................
(includes # 6, 7, 15, 16, 26, 33, 40, 45, 48, 56 thru 67)
33
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Motor and Cabinet Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
1.............. DDS237-301 ...........Cabinet ..............................................................................................1
2.............. DDS237-302 ...........Support Bracket-Front.........................................................................1
3.............. DDS237-303 ...........Support Bracket-Rear .........................................................................1
4.............. DDS237-304 ...........Motor Plate.........................................................................................1
5.............. DDS237-305 ...........Motor Pulley .......................................................................................1
6.............. DDS237-306 ...........Motor...............................................................7-1/2HP, 1Ph, 230V....1
................ DDS237-306MF.......Motor Fan .........................................................................................1
................ DDS237-306MFC ....Motor Fan Cover.................................................................................1
................ DDS237-306CSA.....Centrifugal Switch (for serial no. 801DDS2370071 and higher).....................1
................ DDS237-306SC.......Starting Capacitor.............................................250MFD, 250VAC.......2
................ DDS237-306RC.......Running Capacitor ............................................50μF, 450VAC............1
................ DDS237-306SCC ....Starting Capacitor Cover .....................................................................1
................ DDS237-306RCC ....Running Capacitor Cover ....................................................................1
................ DDS237-306JB........Junction Box ......................................................................................1
................ DDS237-306JBC .....Junction Box Cover.............................................................................1
6.............. DDS237-306A .........Motor...............................................................10HP, 3Ph, 230/460V .1
................ DDS237-306AMF ....Motor Fan ..........................................................................................1
................ DDS237-306MFC ....Motor Fan Cover.................................................................................1
................ DDS237-306JB........Junction Box ......................................................................................1
................ DDS237-306JBC .....Junction Box Cover.............................................................................1
7.............. DDS225-307 ...........Adjusting Screw..................................................................................2
8.............. DDS225-308 ...........Hinge.................................................................................................3
9.............. DDS225-309 ...........Fixed Block ........................................................................................2
10............ DDS225-310 ...........Cylinder .............................................................................................2
11............ DDS237-311 ...........Flow Deflector ....................................................................................1
12............ DDS237-312 ...........Top Cover ..........................................................................................1
13............ DDS225-313 ...........Dust Chute.........................................................................................2
14............ DDS225-314 ...........Roller Holder ......................................................................................1
15............ DDS225-315 ...........Idle Roller...........................................................................................1
16............ DDS237-316 ...........Switch Bracket....................................................................................1
17............ DDS225-317 ...........Direction Label ...................................................................................1
18............ DDS225-318 ...........Scale .................................................................................................1
19............ DDS225-319 ...........Spacer ...............................................................................................1
20............ DDS225-320 ...........Door Latch .........................................................................................3
21............ DDS225-321 ...........Handle ...............................................................................................1
22............ DDS237-322 ...........Magnetic Switch (for 7-1/2HP, 1Ph, 230V)............................................1
................ DDS237-322C .........Contactor ...........................................................................................1
................ DDS237-322R .........Relay .................................................................................................1
22............ DDS237-322A .........Magnetic Switch (for 10HP, 3Ph, 230V)................................................1
................ DDS237-322AC.......Contactor ...........................................................................................1
................ DDS237-322AR.......Relay .................................................................................................1
22............ DDS237-322B .........Magnetic Switch (for 10HP, 3Ph, 460V)................................................1
................ DDS237-322BC.......Contactor ...........................................................................................1
................ DDS237-322BR.......Relay .................................................................................................1
23............ DDS237-323 ...........Power Cord......................................................1Ph............................1
................ DDS237-323A .........Power Cord......................................................3Ph............................1
24............ DDS237-324 ...........Strain Relief .......................................................................................2
25............ DDS237-325 ...........Key..................................................................10 x 8 x 55 mm...........1
26............ TS-081C032............Screw ..............................................................#10-24 x 1/2.............18
27............ TS-0720051 ............Lock Washer ....................................................#10............................2
28............ TS-0209031 ............Socket Head Cap Screw ...................................3/8-16 x 3/4................6
29............ TS-0720091 ............Lock Washer ....................................................3/8...........................10
30............ TS-1550071 ............Flat Washer......................................................M10...........................4
31............ TS-1504051 ............Socket Head Cap Screw ...................................M8 x25.......................2
34
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Motor and Cabinet Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
32............ TS-0207021 ............Socket Head Cap Screw ...................................1/4-20 x 1/2................1
33............ TS-0720071 ............Lock Washer ....................................................1/4...........................26
34............ DDS237-334 ...........Shoulder Screw ................................................M8 X1.25P X11 ..........2
35............ TS-1541031 ............Nylon Insert Lock Nut........................................M8.............................4
36............ TS-0050011 ............Hex Cap Screw ................................................1/4-20 X 1/2 ...............9
37............ TS-0680021 ............Flat Washer......................................................1/4...........................18
38............ TS-0050011 ............Hex Cap Screw ................................................1/4-20 x 1/2................9
39............ TS-0208041 ............Socket Head Cap Screw ...................................5/16-18 x 3/4..............2
40............ TS-0561021 ............Hex Nut............................................................5/16-18 ......................2
41............ TS-1505021 ............Socket Head Cap Screw ...................................M10 x 20....................1
42............ TS-1550071 ............Flat Washer......................................................M10...........................1
43............ TS-0270051 ............Socket Set Screw .............................................5/16-18 x 1/2..............2
44............ TS-0561031 ............Hex Nut............................................................3/8-16......................10
45............ TS-0060071 ............Hex Cap Screw ................................................3/8-16 x 1-1/2.............4
46............ DDS225-346 ...........Shoulder Screw ..................................................................................1
47............ TS-0208061 ............Socket Head Cap Screw ...................................5/16-18 x 1.................1
48............ TS-081F032 ............Phillips Pan Head Machine Screw......................1/4-20 x 1/2................4
50............ DDS225-350 ...........Label (Drum Setting Gauge) ................................................................2
51............ TS-0680031 ............Flat Washer......................................................5/16...........................1
52............ TS-0680041 ............Flat Washer......................................................3/8.............................8
53............ DDS225-353 ...........Strain Relief .......................................................................................2
54............ DDS237-354 ...........Motor Cord.......................................................1Ph............................1
................ DDS237-354A .........Motor Cord.......................................................3Ph............................1
55............ DDS237-355 ...........Front Cover ........................................................................................1
56............ TS-0680011 ............Flat Washer......................................................3/16.........................26
57............ DDS225-WL............Warning Label ....................................................................................1
58............ TS-081C022............Screw ..............................................................#10-24 x 3/8.............14
59............ DDS237-359 ...........Rear Cover.........................................................................................1
60............ DDS225-360 ...........Self Tapping Screw...........................................#10 x 1/2....................2
61............ TS-069204 ..............Flat Washer......................................................SAE #10 ....................2
62............ DDS225-362 ...........Lock Piece .........................................................................................2
63............ DDS225-363 ...........Plastic Nut..........................................................................................2
64............ DDS225-364 ...........Lock Housing .....................................................................................2
65............ DDS225-365 ...........Lock Knob..........................................................................................2
66............ TS-0207021 ............Socket Head Cap Screw ...................................1/4-20 x 1/2................4
67............ TS-0720071 ............Lock Washer ....................................................1/4.............................4
68............ DDS225-368 ...........Holder................................................................................................2
69............ DDS237-369 ...........Plate..................................................................................................1
70............ TS-1490111 ............Hex Cap Screw ................................................M8 x 60......................2
71............ TS-1550061 ............Flat Washer......................................................M8.............................2
72............ DDS225-372 ...........Spring................................................................................................2
73............ TS-1540061 ............Hex Nut............................................................M8.............................2
74............ TS-0813022 ............Round Head Machine Screw .............................1/4-20 x 3/8................4
75............ DDS225-375 ...........Screw ..............................................................#10-24 x 1-1/4............2
76............ DDS225-376 ...........Limit Switch........................................................................................1
77............ DDS225-377 ...........Cord Holder........................................................................................2
78............ DDS225-378 ...........Cord, Limit Switch...............................................................................1
79............ DDS237-379 ...........Switch Cord, Mag Switch to Reverse Switch (for 7-1/2HP, 1Ph, 230V) ...1
................ DDS237-379A .........Switch Cord, Mag Switch to Reverse Switch (for 10HP, 3Ph, 230/460V).1
80............ TS-2284082 ............Screw ..............................................................M4 x 8........................1
81............ DDS225-381 ...........Switch Cover ......................................................................................1
82............ DDS225-382 ...........Reverse Switch (for 7-1/2HP, 1Ph, 230V).............................................1
................ DDS237-382 ...........Reverse Switch (for 10HP, 3Ph, 230/460V) ..........................................1
83............ DDS225-383 ...........Switch Bracket....................................................................................1
84............ DDS225-384 ...........Strain Relief .......................................................................................3
35
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Motor and Cabinet Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
85............ DDS237-385 ...........Powermatic Logo ...............................................................................1
86............ DDS237-386 ...........I.D. Label (not shown) .........................................................................1
87............ TS-2361101 ............Lock Washer ....................................................M10...........................1
88............ DDS237-388 ...........Pad....................................................................................................4
89............ DDS237-389 ...........Strain Relief .......................................................................................2
36
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Gearbox Assembly – DDS-237
Index No. Part No.
Description
Size
Qty
1.............. DDS225-401A .........Gearbox Body ....................................................................................1
2.............. TS-0720071 ............Lock Washer ....................................................1/4.............................4
3.............. TS-0207071 ............Socket Head Cap Screw ...................................1/4-20 x 1-1/4.............4
4.............. DDS225-404 ...........Drain Plug ..........................................................................................1
5.............. BB-626VV ...............Ball Bearing........................................................................................2
6.............. DDS225-406 ...........Gear ................................................................66T............................1
7.............. DDS225-407 ...........Key..................................................................4 x 4 x 8.....................1
8.............. DDS225-408 ...........Pinion ................................................................................................1
9.............. BB-6000VV .............Ball Bearing......................................................6000VV......................1
10............ DDS225-410 ...........C-Ring ...............................................................................................1
11............ DDS225-411 ...........Gear ................................................................70T............................1
12............ DDS225-412 ...........Gear ................................................................57T............................1
13............ DDS225-413 ...........Shaft..................................................................................................1
14............ BB-6002VV .............Ball Bearing......................................................6002VV......................2
15............ DDS225-415 ...........Key..................................................................5 x 5 x 20 ...................1
16............ DDS225-416 ...........Shaft..................................................................................................1
17............ DDS225-417 ...........Cover.................................................................................................1
18............ TS-1503041 ............Socket Head Cap Screw ...................................M6 x 16......................8
19............ DDS225-419 ...........Key..................................................................5 x 5 x 30 ...................1
20............ DDS225-420 ...........Collar.................................................................................................1
21............ DDS225-421 ...........Oil Plug..............................................................................................1
22............ DDS225-422 ...........Handle ...............................................................................................1
23............ BB-6006VV .............Ball Bearing........................................................................................1
27............ DDS225-427 ...........Block .................................................................................................1
29............ DDS225-429A .........Gear Assembly (s/n 0509DDS225726 and higher)...64T / 77T ...................1
30............ DDS225-430 ...........Key..................................................................6 x 6 x 50 ...................1
31............ DDS225-431 ...........Cable (for 1/4HP, 1Ph, 230V ) .............................................................1
................ DDS237-431 ...........Cable (for 1/4HP, 3Ph, 230/460V)........................................................1
32............ DDS225-432A .........Motor...............................................................1/4HP, 1Ph, 230V.......1
................ DDS225-432MF.......Motor Fan ..........................................................................................1
................ DDS225-432MFC ....Motor Fan Cover.................................................................................1
................ DDS225-432RC.......Running Capacitor ............................................10μF, 350VAC............1
................ DDS225-432JB........Junction Box ......................................................................................1
................ DDS225-432JBC .....Junction Box Cover.............................................................................1
32............ DDS237-432 ...........Motor...............................................................1/4HP, 3Ph, 230/460V 1
................ DDS225-432MF.......Motor Fan ..........................................................................................1
................ DDS225-432MFC ....Motor Fan Cover.................................................................................1
................ DDS225-432JB........Junction Box ......................................................................................1
................ DDS225-432JBC .....Junction Box Cover.............................................................................1
33............ DDS225-433 ...........Gasket...............................................................................................2
34............ DDS225-434 ...........Steel Ball............................................................................................1
35............ DDS225-435 ...........Spring................................................................................................1
36............ TS-1523011 ............Socket Set Screw .............................................M6 x 6........................1
37............ DDS225-384 ...........Strain Relief .......................................................................................1
38............ DDS225-438 ...........Oil Seal..............................................................................................1
39............ DDS225-439 ...........Gasket...............................................................................................1
40............ DDS225-440 ...........Oil Seal..............................................................................................1
37
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Gearbox Assembly – DDS-237
38
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Optional Accessories
The optional accessories listed below are available for use with DDS-225 and DDS-237 Drum Sanders.
Ready-To-Cut Abrasive Strips
Part No.
Description
Normal Use
60-9036 ..... 36 Grit Sandpaper..........surfacing rough-sawn boards, stock and glue removal
60-9060 ...... 60 Grit Sandpaper..........surfacing and dimensioning boards, truing warped boards
60-9080 ...... 80 Grit Sandpaper..........surfacing, light dimensioning, removing planer ripples
60-9100 ...... 100 Grit Sandpaper ........light surfacing, removing planer ripples
60-9120 ...... 120 Grit Sandpaper ........light surfacing, minimal stock removal
60-9150 ...... 150 Grit Sandpaper ........finish sanding, minimal stock removal
60-9180 ...... 180 Grit Sandpaper ........finish sanding only, not for stock removal
60-9220 ...... 220 Grit Sandpaper ........finish sanding only, not for stock removal
39
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Wiring Diagrams
DDS-225 Sander
LIMITED
SWITCH
BLACK
WHITE
250VAC
150MFD
5L3
1L2 3L2
13NO
250VAC
200MFD
2T1 4T2 6T3
14NO
450VAC
30UF
4T2
2T1
6T3
95
97
98
96
REVERSING
SWITCH
FRONT
BACK
U
R
5
S
V
6
6
4 5
1
350VAC
10UF
40
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DDS-237 Sander – 7.5HP, 1Ph, 230V
LIMITED
SWITCH
BLACK
WHITE
250VAC
250MFD
5L3
1L2 3L2
13NO
250VAC
250MFD
2T1 4T2 6T3
14NO
450VAC
50UF
4T2
2T1
6T3
95
97
98
96
REVERSING
SWITCH
FRONT
BACK
U
R
5
S
V
6
6 4 5 1
350VAC
10UF
41
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DDS-237 Sander – 10HP, 3Ph, 230V
LIMITED
SWITCH
BLACK
WHITE
1L2 3L2 5L3
13NO
2T1 4T2 6T3
14NO
V1
V2
X1
U
W1
W2
Y1
U1
U2
Z1
W
2T1 4T2 6T3
95
97
98
V
96
REVERSING
SWITCH
BLACK
WHITE
BACK
L1
FRONT
U
L2
V
W
L3
U1
U5
U2
V1
V5
V2
W1
W5
W2
42
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DDS-237 Sander – 10HP, 3Ph, 460V
LIMITED
SWITCH
BLACK
WHITE
1L2 3L2 5L3
13NO
2T1 4T2 6T3
14NO
X1
U2
V1
U
Z1
W2
U1
W
Y1
V2
W1
V
2T1 4T2 6T3
95
97
98
96
REVERSING
SWITCH
BLACK
BACK
L1
WHITE
FRONT
U
L2
V
W
L3
U1
U5
U2
V1
V5
V2
W1
W5
W2
43
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WALTER MEIER (Manufacturing) Inc.
427 New Sanford Road
LaVergne, Tennessee 37086
Phone: 800-274-6848
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