15" PLANER
MODEL G0550/G0551
INSTRUCTION MANUAL
COPYRIGHT © NOVEMBER 2003 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#5697 PRINTED IN CHINA
ONLINE MANUAL DISCLAIMER
THE INFORMATION IN THIS MANUAL REPRESENTS THE CONFIGURATION OF THE MACHINE AS IT IS CURRENTLY BEING SHIPPED. THE MACHINE
CONFIGURATION CAN CHANGE AS PRODUCT IMPROVEMENTS ARE INCORPORATED. IF YOU OWN AN EARLIER VERSION OF THE MACHINE, THIS
MANUAL MAY NOT EXACTLY DEPICT YOUR MACHINE . CONTACT CUSTOMER SERVICE IF YOU HAVE ANY QUESTIONS ABOUT DIFFERENCES. PRE-
VIOUS VERSIONS ARE NOT AVAILABLE ONLINE.
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Table Of Contents
SECTION 1: SAFETY........................................................................................................................2
Safety Instructions For Power Tools ..........................................................................................2
Additional Safety Instructions For Planers..................................................................................4
SECTION 2: INTRODUCTION ..........................................................................................................5
SECTION 3: CIRCUIT REQUIREMENTS ........................................................................................6
Amperage Draw ..........................................................................................................................6
Circuit Breaker ............................................................................................................................6
Plug-Type....................................................................................................................................6
Circuit Capacity ..........................................................................................................................7
Grounding ..................................................................................................................................7
Extension Cords..........................................................................................................................7
SECTION 4: MACHINE FEATURES ................................................................................................8
Common Terms & Definitions ....................................................................................................9
SECTION 5: SET UP ......................................................................................................................10
Parts Inventory..........................................................................................................................10
Hardware Recognition Chart ....................................................................................................12
Site Considerations ..................................................................................................................13
Clean Up ..................................................................................................................................13
Beginning Assembly..................................................................................................................14
G0550 Open Stand ..................................................................................................................14
Mounting Planer (G0550)..........................................................................................................15
Dust Port ..................................................................................................................................16
Handwheel ................................................................................................................................16
Extension Rollers ......................................................................................................................17
Knife Setting Jig........................................................................................................................18
Start Up ....................................................................................................................................19
Recommended Adjustments ....................................................................................................19
SECTION 6: OPERATIONS ............................................................................................................20
Cutterhead Locks......................................................................................................................20
Power Feed ..............................................................................................................................21
Handwheel ................................................................................................................................21
Depth Limiter ............................................................................................................................21
Anti-Kickback ............................................................................................................................22
Wood Species ..........................................................................................................................22
SECTION 7: MAINTENANCE ........................................................................................................23
Maintenance Safety ..................................................................................................................23
Table ........................................................................................................................................23
V-Belts ......................................................................................................................................24
Gearbox ....................................................................................................................................25
Lubrication ................................................................................................................................25
Planing Difficulties ....................................................................................................................27
SECTION 8: SERVICE ADJUSTMENTS........................................................................................28
Gauge Blocks............................................................................................................................28
Table Adjustment ......................................................................................................................29
Thickness Scale........................................................................................................................30
Knife Inspection ........................................................................................................................31
Knife Sharpening ......................................................................................................................32
Knife Setting..............................................................................................................................32
Chip Breaker ............................................................................................................................33
Feed Roller Height....................................................................................................................34
Bed Rollers................................................................................................................................35
Feed Roller Pressure................................................................................................................36
Chip Deflector ..........................................................................................................................37
SECTION 9: REFERENCE INFO....................................................................................................38
Aftermarket Accessories ..........................................................................................................39
G0550/G0551 Parts Breakdown ..............................................................................................42
Troubleshooting Guide..............................................................................................................47
G0550/G0551 Wiring Diagram..................................................................................................48
Gauge Block Measurements ....................................................................................................49
Warranty & Returns ..................................................................................................................50
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SECTION 1: SAFETY
For Your Own Safety Read Instruction
Manual Before Operating This Equipment
The purpose of safety symbols is to attract your attention to possible hazardous conditions.
This manual uses a series of symbols and signal words which are intended to convey the level
of importance of the safety messages. The progression of symbols is described below.
Remember that safety messages by themselves do not eliminate danger and are not a substi-
tute for proper accident prevention measures.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
proper operation of the equipment.
NOTICE
Safety Instructions For Power Tools
1. KEEP GUARDS IN PLACE and in working
5. KEEP CHILDREN AND VISITORS
AWAY. All children and visitors should be
kept at a safe distance from work area.
order.
2. REMOVE ADJUSTING KEYS AND
WRENCHES. Form a habit of checking to
see that keys and adjusting wrenches are
removed from tool before turning on.
6. MAKE WORKSHOP CHILD PROOF with
padlocks, master switches, or by removing
starter keys.
3. KEEP WORK AREA CLEAN. Cluttered
7. NEVER FORCE TOOL. It will do the job
better and safer at the rate for which it was
designed.
areas and benches invite accidents.
4. NEVER USE IN DANGEROUS ENVIRON-
MENT. DO NOT use power tools in damp
or wet locations, or where any flammable
or noxious fumes may exist. Keep work
area well lighted.
8. USE RIGHT TOOL. DO NOT force tool or
attachment to do a job for which it was not
designed.
G0550/G0551 15" Planer
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Safety Instructions For Power Tools
9. USE PROPER EXTENSION CORD. Make
sure your extension cord is in good condi-
tion. Conductor size should be in accor-
dance with the chart below. The amperage
rating should be listed on the motor or tool
nameplate. An undersized cord will cause
a drop in line voltage resulting in loss of
power and overheating. Your extension
cord must also contain a ground wire and
plug pin. Always repair or replace exten-
sion cords if they become damaged.
15. USE RECOMMENDED ACCESSORIES.
Consult the owner’s manual for recom-
mended accessories. The use of improper
accessories may cause risk of injury.
16. REDUCE THE RISK OF UNINTENTION-
AL STARTING. On machines with magnet-
ic contact starting switches there is a risk of
starting if the machine is bumped or jarred.
Always disconnect from power source
before adjusting or servicing. Make sure
switch is in OFF position before reconnecting.
Minimum Gauge for Extension Cords
17. CHECK DAMAGED PARTS. Before fur-
ther use of the tool, 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, bind-
ing 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.
LENGTH
AMP RATING
0-6
25ft
16
16
16
14
12
10
50ft
16
16
16
12
12
10
100ft
16
14
14
12
7-10
11-12
13-16
17-20
10
No
21-30
10. WEAR PROPER APPAREL. DO NOT
wear loose clothing, gloves, neckties,
rings, bracelets, or other jewelry which may
get caught in moving parts. Non-slip
footwear is recommended. Wear protective
hair covering to contain long hair.
18. NEVER LEAVE TOOL RUNNING UNAT-
TENDED. TURN POWER OFF. DO NOT
leave tool until it comes to a complete stop.
19. NEVER OPERATE A MACHINE WHEN
TIRED, OR UNDER THE INFLUENCE OF
DRUGS OR ALCOHOL. Full mental alert-
ness is required at all times when running a
machine.
11. ALWAYS USE SAFETY GLASSES. Also
use face or dust mask if cutting operation is
dusty. Everyday eyeglasses only have
impact resistant lenses, they are NOT safe-
ty glasses.
20. NEVER ALLOW UNSUPERVISED OR
UNTRAINED PERSONNEL TO OPER-
ATE THE MACHINE. Make sure any
instructions you give in regards to machine
operation are approved, correct, safe, and
clearly understood.
12. SECURE WORK. Use clamps or a vise to
hold work when practical. It’s safer than
using your hand and frees both hands to
operate tool.
13. DO NOT OVER-REACH. Keep proper
21. IF AT ANY TIME YOU ARE EXPERIENC-
ING DIFFICULTIES performing the intend-
ed operation, stop using the machine! Then
contact our service department or ask a
qualified expert how the operation should
be performed.
footing and balance at all times.
14. MAINTAIN TOOLS WITH CARE. Keep
tools sharp and clean for best and safest
performance. Follow instructions for lubri-
cating and changing accessories.
G0550/G0551 15" Planer
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Additional Safety Instructions For Planers
1
1. READ THIS ENTIRE MANUAL BEFORE
10. DO NOT REMOVE MORE THAN
⁄
8
"
TURNING THE PLANER ON.
FROM THE SURFACE OF THE WOOD
STOCK IN A SINGLE PASS.
2. ENSURE THAT THE MACHINE IS ON
FLAT, STABLE GROUND BEFORE USE.
Any “wobbles” must be corrected by shim-
ming or blocking before operation.
11. INSPECT YOUR STOCK BEFORE PLAN-
ING. Never plane stock with nails, staples
or other foreign objects which may be
embedded in the surface. Always properly
prepare workpieces before running them
through the planer. Do not plane lumber
with loose knots or knots that may become
loose during planing.
3. NEVER PLANE MATERIAL OTHER
THAN WOOD STOCK WITH THIS
MACHINE.
4. NEVER POSITION FINGERS OR
THUMBS NEAR THE INFEED ROLLER.
12. DO NOT ATTEMPT TO REMOVE JAMS
UNTIL POWER IS DISCONNECTED and
all moving parts have come to a complete
stop.
5. ENSURE THAT THE PLANER IS PROP-
ERLY ADJUSTED AND THAT THERE
ARE NO LOOSE PARTS BEFORE
OPERATING.
13. DO NOT PLANE WORKPIECES LESS
THAN 12" LONG AND 1⁄4" THICK.
6. PLANE IN THE SAME DIRECTION AS
THE GRAIN OF THE WOOD STOCK.
14. DO NOT OPERATE PLANER WITH DULL
OR DAMAGED KNIVES.
7. ALWAYS STAND TO THE SIDE OF THE
PLANER WHILE FEEDING THE WORK-
PIECE.
15. ALWAYS UNPLUG THE PLANER WHEN-
EVER MAKING ANY ADJUSTMENTS or
changing knives.
8. DO NOT LOOK INSIDE THE PLANER
DURING OPERATION!
16. IF AT ANY TIME YOU ARE EXPERIENC-
ING DIFFICULTIES PERFORMING THE
INTENDED OPERATION, STOP USING
THE PLANER! Then contact our service
department or ask a qualified expert how
the operation should be performed.
9. ALWAYS PROVIDE ADEQUATE IN-
FEED AND OUTFEED SPACE WHEN
OPERATING THE PLANER. Always sup-
port long pieces of stock on both sides of
the planer.
No list of safety guidelines can be complete.
Every shop environment is different. Always
consider safety first, as it applies to your
individual working conditions. Use this and
other machinery with caution and respect.
Failure to do so could result in serious per-
sonal injury, damage to equipment, or poor
work results.
Like all machines there is danger associated
with the Model G0550/G0551. Accidents are
frequently caused by lack of familiarity or
failure to pay attention. Use this machine
with respect and caution to lessen the pos-
sibility of operator injury. If normal safety
precautions are overlooked or ignored, seri-
ous personal injury may occur.
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G0550/G0551 15" Planer
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SECTION 2: INTRODUCTION
Most importantly, we stand behind our machines.
Commentary
If you have any service questions or parts
requests, please call or write us at the location
listed below.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
Lack of familiarity with
this manual could
cause serious person-
al injury. Become
familiar with the con-
tents of this manual,
including all the safety
warnings.
E-Mail: techsupport@grizzly.com
The specifications, drawings, and photographs
illustrated in this manual represent the Model
G0550/G0551 as supplied when the manual was
prepared. However, owing to Grizzly’s policy of
continuous improvement, changes may be made
at any time with no obligation on the part of
Grizzly. For your convenience, we always keep
current Grizzly manuals available on our website
machine will be reflected in these manuals as
soon as they are complete. Visit our site often to
check for the latest updates to this manual!
We are proud to offer the Model G0550/G0551
15" Planer. This machine is part of a growing
Grizzly family of fine woodworking machinery.
When used according to the guidelines set forth
in this manual, you can expect years of trouble-
free, enjoyable operation and proof of Grizzly’s
commitment to customer satisfaction.
We are pleased to provide this manual with the
Model G0550/G0551. It was written to guide you
through assembly, review safety considerations,
and cover general operating procedures. It repre-
sents our effort to produce the best documenta-
tion possible. If you have any comments regard-
ing this manual, please write to us at the address
below:
Grizzly Industrial, Inc.
Technical Documentation
P.O. Box 2069
C
/O
Bellingham, WA 98227-2069
G0550/G0551 15" Planer
-5-
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SECTION 3: CIRCUIT REQUIREMENTS
Amperage Draw
Plug-Type
We recommend using a NEMA-style 6-15 plug
and outlet with the G0550 as shown in Figure 1a
and an L6-20 plug and outlet for the G0551 as
shown in Figure 1b. You may also “hard-wire”
the planer directly to your panel, provided you
place a disconnect near the machine. Check the
electrical codes in your area for specifics on
wiring requirements.
The Model G0550/G0551 motor is wired to oper-
ate at 220V only. The planer motors draw the fol-
lowing amperage:
Amperage Draw
G0550 2 HP..........................................12 Amps
G0551 3 HP..........................................18 Amps
Circuit Breaker
Use the following guidelines when choosing a cir-
cuit breaker (circuit breakers rated any higher are
not adequate to protect the circuit):
Circuit Breaker
G0550 ........................................15 Amp, 2 Pole
G0551 ........................................20 Amp, 2 Pole
Figure 1a. NEMA 6-15 plug and receptacle.
Figure 1b. NEMA L6-20 plug and receptacle.
-6-
G0550/G0551 15" Planer
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Circuit Capacity
Extension Cords
Always check to see if the wires in your circuit are
capable of handling the amperage draw from
your machine, as well as any other machines that
could be operating on the same circuit. If you are
unsure, consult a qualified electrician.
220V Operation
We do not recommend the use of extension cords
on 220V equipment. Instead, arrange the place-
ment of your equipment and the installed wiring to
eliminate the need for extension cords.
If the circuit breaker trips or the fuse blows regu-
larly, your machine may be operating on a circuit
that is close to its amperage draw capacity.
However, if an unusual amperage draw does not
exist and a power failure still occurs, contact a
qualified electrician.
If you find it absolutely necessary to use an
extension cord at 220V with your Grizzly Planer:
•
•
•
•
Make sure the cord is rated for Standard
Service (grade S) or better.
The extension cord must also contain a
ground wire and plug prong.
Use at least a 16 gauge cord if the cord is 50
feet long or less.
Grounding
Use at least a 14 gauge cord if the cord is
between 51-100 feet.
Electrocution or a fire can
result if the machine is
not grounded correctly.
Make sure all electrical
circuits are grounded. DO
NOT use the machine if it
is not grounded.
In the event of an electrical short, grounding
reduces the risk of electric shock by providing a
path of least resistance to disperse electric cur-
rent. This tool is equipped with a power cord that
has an equipment-grounding prong. The outlet
must be properly installed and grounded in accor-
dance with all local codes and ordinances.
G0550/G0551 15" Planer
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SECTION 4: MACHINE FEATURES
Motor
V-Belt Cover
Height
Handwheel
Depth Limiter
Height Lock
Knob
Thickness
Scale
Power Switch
Feed Rate Knob
Bed Rollers
Extension Rollers
Figure 2. Machine features.
-8-
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Common Terms & Definitions
Work Table: The wood moves through the plan-
Pressure Bar: Rides on the planed surface
behind the cutterhead. Prevents vibration,
chattering and snipe.
er on the work table.
Infeed and Outfeed Rollers: Powered rollers
that move the wood through the planer.
Bed Rollers: Located in the work table, the bed
rollers help wood move through the planer.
Cutterhead: The cutterhead holds the knives
and spins at 5000 rpm. When wood passes
under the cutterhead, material is removed.
Dust Hood: Funnels wood dust and chips into
the dust collection system.
Chip Breaker: Spring loaded fingers or bar that
presses down on the wood in front of the cut-
terhead. The chip breaker prevents excessive
chipping caused by the knives.
Gibs: Metal strips that hold the planer knives in
place.
Gib Bolts: Secures the gib to the knife to keep it
in place.
Snipe: A gouge at the end of the board.
G0550/G0551 15" Planer
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SECTION 5: SET UP
About This Section
Parts Inventory
The Model G0550 comes with an open stand that
requires assembly, and the Model G0551 comes
assembled on a closed cabinet stand.
The purpose of this section is to guide you
through the required steps to get your machine
out of its packaging and into operating condition.
The following is an inventory of the parts for your
new Model G0550/G0551 Planer.
This machine presents
serious injury hazards
to untrained users. Read
through this entire man-
ual to become familiar
with the controls and
operations before start-
ing the machine!
Wear safety glasses dur-
ing the entire set up
process!
Figure 3. G0550 planer unit.
Unpacking
The Model G0550/G0551 was carefully packed
when it left our warehouse. If you discover the
machine is damaged after you have signed for
delivery, please immediately call Customer
Service at (570) 546-9663 for advice.
Save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
When you are completely satisfied with the con-
dition of your shipment, you should inventory the
parts.
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A
H
G
A
B
E
B
C
F
D
E
D
C
Figure 4. G0550 loose parts.
Figure 5. G0551 loose parts.
G0550 Loose Parts
G0551 Loose Parts
DESCRIPTION
QTY
DESCRIPTION
QTY
A. Extension Rollers ......................................2
B. Dust Port ....................................................1
C. Stand Hardware Bag..................................1
— Carriage Bolts 5⁄16"-18 x 1⁄2"..................32
— Hex Nuts 5⁄16"-18..................................36
— Flat Washers 5⁄16" ................................36
— Lock Washer 5⁄16" ..................................4
— Hex Bolts 5⁄16"-18 x 1"............................4
D. Tool Bag ....................................................1
— Handwheel Handle................................1
— Combo Wrench 8/10mm ......................1
— Combo Wrench 12/14mm ....................1
— Allen Wrench 6mm................................1
— Allen Wrench 5mm................................1
— Allen Wrench 4mm................................1
— Allen Wrench 3mm................................1
— Knife Jig Shaft ......................................1
— Knife Jig Feet ........................................2
— E-Clips 9mm..........................................4
E. Handwheel Bag..........................................1
— Handwheel ............................................1
— High/Low Label......................................1
— Flat Washer 10mm................................1
— Hex Nut M10-1.5 ..................................1
Extension Roller Hardware Bag ................1
— Hex Bolt M8-1.25 x 20 ..........................6
— Flat Washer 8mm..................................6
— Setscrew M8-1.25 x 12 ........................6
Dust Port Hardware Bag............................1
— Phillips Head Screw M6-1.0 x 12..........6
F. Legs ..........................................................4
G. Lower Braces ............................................4
H. Predrilled Upper Braces ............................4
A. Dust Port ....................................................1
B. Extension Roller Hardware Bag ................1
— Hex Bolts M8-1.25 x 20 ........................6
— Flat Washers 8mm ................................6
— Setscrews M8-1.25 x 12........................6
C. Tool Bag ....................................................2
— Handwheel Handle................................1
— Combo Wrench 8/10mm ......................1
— Combo Wrench 12/14mm ....................1
— Allen Wrench 6mm................................1
— Allen Wrench 5mm................................1
— Allen Wrench 4mm................................1
— Allen Wrench 3mm................................1
— Knife Jig Shaft ......................................1
— Knife Jig Feet ........................................2
— E-Clips 9mm..........................................4
D. Handwheel Bag..........................................1
— Handwheel ............................................1
— High/Low Label......................................1
— Flat Washer 10mm................................1
— Hex Nut M10-1.5 ..................................1
Foot Hardware Bag....................................1
— Foot ......................................................4
— Hex Nut M8-1.25 ..................................4
Dust Port Hardware Bag............................1
— Phillips Head Screw M6-1.0 x 12..........6
E. Extension Rollers ......................................2
G0550/G0551 15" Planer
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Hardware Recognition Chart
USE THIS CHART TO MATCH UP
HARDWARE DURING THE ASSEMBLY
PROCESS!
Lock
Nut
Wing
Nut
5
⁄8''
#10
Countersunk
Phillips
Head
Thumb
Screw
1
⁄
4''
Phillips
Head
Screw
Slotted
Screw
Screw
5⁄16''
9⁄16''
3
⁄8''
Carriage
Bolt
Button
Head
Screw
Cap
Screw
Flange
Bolt
7⁄16''
1
⁄
2''
Phillips
Head
Sheet
Metal
Screw
Phillips
Head
Hex
Hex
Head
Bolt
1
⁄2''
Setscrew
Washer
Bolt
7⁄16''
5
⁄
8''
Hex
Nut
Lock
Washer
12mm
4mm
6mm
3
⁄
8''
5mm
1
3
1
5
⁄
⁄
⁄
⁄
''
4''
8''
2''
5
7
9
3
7
⁄
⁄
⁄
⁄
⁄
''
16''
16''
16''
10mm
15mm
20mm
25mm
30mm
35mm
40mm
45mm
50mm
55mm
60mm
65mm
70mm
75mm
8
4mm
8mm
4''
18''
5⁄16''
10mm
11⁄4''
11⁄2''
13⁄4''
2
21⁄4''
21⁄2''
23⁄4''
3
10mm
1
⁄4''
12mm
6mm
8mm
16mm
#10
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Site Considerations
Clean Up
Floor Load
The unpainted surfaces are coated with a waxy
oil to protect them from corrosion during ship-
ment. Remove this protective coating with a sol-
vent cleaner or citrus-based degreaser such as
Grizzly’s G7895 Degreaser. To clean thoroughly,
some parts may need to be removed. For opti-
mum performance from your machine, make
sure you clean all moving parts or sliding
contact surfaces that are coated. Avoid chlo-
rine-based solvents as they may damage painted
surfaces should they come in contact.
The Model G0550 weighs 410 lbs and has a 25"
x 25" footprint. The Model G0551 weighs 450 lbs
and has a 21" x 21" footprint. Most commercial
floors are suitable for the machine. Some resi-
dential floors may require additional reinforce-
ment to support both the machine and operator.
Working Clearances
Consider existing and anticipated needs, size of
material to be processed through each machine,
and space for auxiliary stands, work tables or
other machinery when establishing a location for
the machine. See Figure 6 for the overall dimen-
sions of the Model G0550/G0551.
Gasoline and petroleum
products have low flash
points and could explode
if used to clean machin-
ery. DO NOT use gaso-
line or petroleum prod-
ucts to clean the machin-
ery.
48"
28"
Smoking near solvents
could ignite an explosion
or fire and cause serious
injury. DO NOT smoke
while using solvents.
Figure 6. Overall machine dimensions.
Many of the solvents
commonly used to clean
machinery can be toxic
when inhaled or ingest-
ed. Lack of ventilation
while using these sol-
vents could cause seri-
ous personal health risks
or fire. Take precautions
from this hazard by only
using cleaning solvents
in a well ventilated area.
Unsupervised
and visitors inside your
shop could receive seri-
children
ous
personal
injury.
Ensure child and visitor
safety by keeping all
entrances to the shop
locked at all times. DO
NOT allow unsupervised
children or visitors in the
shop at any time.
G0550/G0551 15" Planer
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Beginning Assembly G0550 Open Stand
This section covers the basic assembly and
adjustment instructions needed to begin opera-
tion. Complete the assembly in the order provid-
ed in this manual and then read the remaining
portion of the manual before attempting any type
of operation.
Components and Hardware Needed:
Qty
Legs ..............................................................4
Lower Braces ................................................4
Predrilled Upper Braces ..............................4
5
Carriage Bolts ⁄16"-18 x 1⁄2" ........................32
Hex Nuts 5⁄16"-18..........................................32
Flat Washers 5⁄16" ........................................32
Your safety is important! Please follow the
warnings below during this entire section:
Tools Needed:
12/14mm Combo Wrench ............................1
Note—The following steps are for the G0550
only.
Loose hair and clothing
could get caught in
machinery and cause
serious personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
To assemble the open stand:
1. Connect the lower and upper braces to the
legs of the stand with the carriage bolts, hex
nuts and flat washers. See Figure 7.
Disconnect power to
the machine during the
entire
assembly
process. Failure to do
this may result in seri-
ous personal injury.
Sharp edges on metal
parts may cause person-
al injury. Examine the
edges of all metal parts
before handling.
Figure 7. Upper and lower braces
connected to leg.
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2. Connect the remaining legs and braces
together. Finger tighten the carriage bolts
that connect the legs to the upper braces.
The finished stand assembly should look like
Figure 8.
The planer unit represents a heavy load at
400 pounds. Seek assistance before
mounting the planer.
3. Have one person on each end of each 2x4
and carefully lift the planer unit onto the
stand.
4. Line up the holes in the corners of the stand
with the holes under the planer unit.
5. Attach the planer to the stand with the four
Figure 8. Assembled stand.
hex bolts, 4 hex nuts, and 8 washers.
6. Tighten down the carriage bolts on the upper
half of the stand that were finger tightened in
the previous section.
Mounting Planer
(G0550)
Components and Hardware Needed: ....Qty
Planer Unit ....................................................1
Assembled Stand ..........................................1
Hex Bolt 5⁄16"-18 x 1" ......................................4
Hex Nut 5⁄16"-18 ..............................................4
Flat Washer 5⁄16" ............................................4
Lock Washer 5⁄16"............................................4
Tools Needed:
12/14mm Combo Wrench ..............................2
Strong Persons ..............................................4
To mount the planer:
1. Do not connect the planer to a power
source!
2. Place two 2x4 boards under the cutterhead
of the planer unit. Note—Make sure that the
boards are long enough so that they protrude
from the planer at least 16" on each side.
G0550/G0551 15" Planer
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Dust Port
Handwheel
Components and Hardware Needed: ....Qty
Dust Port ........................................................1
Phillips Head Screw M6-1 x 12......................6
Components and Hardware Needed: ....Qty
Handwheel ....................................................1
Handwheel Handle ........................................1
Hex Nut M10-1.5............................................1
Flat Washer 10mm ........................................1
High/Low Label ..............................................1
Tools Needed:
Phillips Head Screwdriver ..............................1
It is important to install a dust collection system to
the dust port.
Tools Needed:
12/14mm Combo Wrench ..............................1
The handwheel is used to raise and lower the
planer cutterhead.
To install the dust port:
1. Do not connect the planer to a power
source!
To install the handwheel:
1. Do not connect the planer to a power
source!
2. Place the dust port above the outfeed table.
See Figure 9.
2. Place the handwheel over the keyed shaft
shown in Figure 10. Make sure the keyway
in the handwheel lines up with the key in the
shaft.
3. Secure the dust port with the Phillips head
screws provided.
3. Secure the handwheel with the hex nut and
washer.
4. Attach the handle to the outer edge of the
handwheel.
5. Install the High/Low label around the hex nut.
Figure 9. Dust port installed.
Key
Figure 10. Installing handwheel.
-16-
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5. Loosen the bed roller setscrews and turn the
eccentric shaft so the table rollers are
beneath the table surface. See Figure 12.
Extension Rollers
Components and Hardware Needed: Qty
Extension Rollers ..........................................2
Tools Needed:
12/14mm Combo Wrench ..............................1
Allen Wrench 4mm ........................................1
Setscrews
To install the extension rollers:
1. Do not connect the planer to a power
source!
2. Remove the three hex bolts and washers
from below the outfeed and infeed tables.
Figure 12. Bed roller.
3. Position the extension rollers over the holes.
6. Use a straightedge to check table-to-exten-
sion roller alignment as shown in Figure 13.
4. Finger-tighten the hardware removed in step
2 to secure the extension rails to the planer
as shown in Figure 11.
Hex Bolts
Level Adjust
Setscrews
Figure 13. Checking extension roller alignment..
7. Adjust the leveling setscrews shown in
Figure 11 if the table and extension rollers
are not flush.
Figure 11. Extension rollers.
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Knife Setting Jig
Jig Shaft
Components and Hardware Needed: Qty
Knife Jig Shaft ................................................1
Knife Jig Feet..................................................2
E-Clips 9mm ..................................................4
E-Clip
To assemble the knife setting jig:
Jig Feet
1. Snap one of the E-clips over the notch on
one end of the knife setting shaft.
2. Slide the cast aluminum knife setting jig feet
Figure 14. Knife setting jig.
onto the rod.
3. Snap the other E-clip onto the notch at the
other end of the knife setting jig shaft.
-18-
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Start Up
Recommended
Adjustments
For your convenience, the adjustments listed
below have been performed at the factory and no
further setup is required to operate your machine.
Loose hair and clothing
could get caught in
machinery causing seri-
ous personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
However, because of the many variables
involved with shipping, we recommend that you
at least verify the following adjustments to ensure
the best possible results from your new machine.
Step-by-step instructions on verifying these
adjustments can be found in Section 8: Service
Adjustments.
Projectiles thrown from
the machine could cause
serious eye injury. Wear
safety glasses during
assembly and operation.
Factory adjustments that should be verified:
1. Table Adjustment (page 29)
2. Thickness Scale (page 30)
3. Knife Setting (page 32)
Starting the machine:
1. Read the entire instruction manual.
4. Chip Breaker (page 33)
2. Make sure all tools and foreign objects have
5. Feed Roller Height (page 34)
6. Bed Roller (page 35)
been removed from the machine.
3. Review Section 3: Circuit Requirements
(Page 6).
7. Feed Roller Pressure (page 36)
8. Chip Deflector (page 37)
4. Keep your finger on the STOP button at all
times during the test run.
Starting the machine:
Press the START button to turn the machine ON.
The machine should run smoothly with little or no
vibration.
G0550/G0551 15" Planer
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SECTION 6: OPERATIONS
General
Cutterhead Locks
Your safety is important! Please follow the
warnings below during this entire section:
There is a cutterhead lock knob on each side of
the planer that must be loosened before adjusting
the height. Once the height has been set, tighten
the lock knobs. See Figure 15.
Damage to your eyes, lungs, and ears
could result from failure to wear safety
glasses, a respirator, and hearing protec-
tion while using this machine.
Loose hair and clothing
could get caught in
machinery and cause
serious personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
Figure 15. Cutterhead lock knob.
NOTICE
Lock down the cutterhead with the cutter-
head lock knobs before planing or snipe
will occur.
-20-
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Power Feed
Handwheel
The power feed can be set for two feed rates—16
FPM and 20 FPM. While the planer is running the
feed rate can be changed by pulling the feed con-
trol knob (Figure 16). Press the knob in towards
the machine for 20 FPM and pull the knob out for
16 FPM. When the control knob is in the center
position, the power feed is in neutral.
Turn the handwheel to raise or lower the cutter-
head, according to the workpiece thickness.
Each complete revolution of the handwheel
moves the table by 5⁄32" (4mm).
Make sure the height scale is properly adjusted
before making a cut. It is always a good idea to
run a test piece through the planer and compare
the thickness of the workpiece to the scale read-
ing.
Depth Limiter
The depth limiter, shown in Figure 17, controls
1
the maximum depth of cut to ⁄8". To avoid
mechanical damage to the planer and workpiece
do not remove the depth limiter.
Figure 16. Power feed knob.
No list of safety guidelines can be complete.
Every shop environment is different. Always
consider safety first, as it applies to your
individual working conditions. Use this and
other machinery with caution and respect.
Failure to do so could result in serious per-
sonal injury, damage to equipment, or poor
work results.
Figure 17. Depth limiter.
NOTICE
To avoid mechanical damage to the planer,
do not remove the depth limiter.
G0550/G0551 15" Planer
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Anti-Kickback
Wood Species
The species of wood, as well as its condition,
have a dramatic effect on planing ability. The
harder the wood (as illustrated by its shear
strength), the more difficult it will be to plane. A
brief listing of common hard and soft woods in
relation to their shear strengths and planing diffi-
culty is listed below.
The anti-kickback fingers hang from a rod sus-
pended across the front of the cutterhead casting.
Check the fingers to ensure that they swing freely
and easily. See Figure 18.
DO NOT apply oil or other lubricants to the
anti-kickback fingers. Oil or grease will
attract dust and restrict movement of the
fingers, which could result in damage to
your workpiece, the planer, or possibly
serious injury to the operator.
Type
Shear (PSI)
Black Locust
Sugar Maple
Pecan Hickory
White Oak
2,480
2,330
2,080
2,000
1,950
1,700
1,510
1,370
1,080
980
White Ash
Black Cherry
American Elm
Black Walnut
Red Alder
Basswood
Cottonwood
930
Anti-kickback Fingers
Type
Shear (PSI)
Western Larch
Tamarack
1,410
1,280
1,160
1,130
1,150
1,050
1,000
940
Douglas Fir
Alaska Cedar
Sitka Spruce
Sugar Pine
Cypress
Redwood (OG)
Red Cedar
White Pine
Balsam Fir
Figure 18. Anti-kickback fingers.
860
850
710
-22-
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SECTION 7: MAINTENANCE
Maintenance Safety
General
Your safety is important! Please follow the
warnings below during this entire section:
Regular periodic maintenance on the Model
G0550/G0551 will ensure optimum performance.
Make a habit of inspecting the machine each time
you use it.
Before each use, look for the following condi-
tions:
Always
disconnect
power to the machine
before performing main-
tenance. Failure to do
this may result in serious
personal injury.
1. Loose mounting bolts.
2. Worn switch.
3. Worn or damaged cords and plugs.
4. Damaged V-belt.
Loose hair and clothing
could get caught in
machinery and cause
serious personal injury.
Keep loose clothing
rolled up and long hair
tied up and away from
machinery.
5. Any other condition that could hamper the
safe operation of this machine.
Table
Projectiles from the
machine could cause
serious eye injury. Wear
safety glasses at all
times.
The table and other non-painted surfaces on your
machine should be protected against rust and pit-
ting. Wiping the table clean after every use
ensures that moisture from wood dust does not
remain on bare metal surfaces.
Tables can be kept rust-free with regular applica-
tions of products like SLIPIT® or Boeshield® T-9.
For long term storage you may want to consider
products like Kleen Bore's Rust Guardit™.
G0550/G0551 15" Planer
-23-
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V-Belts
Squeeze the V-Belts at their midpoints with mod-
erate finger pressure. You should be able to
deflect each V-Belt about 3/4". Belts will rarely be
too tight, but will sometimes be too loose.
To ensure optimum power transmission from the
motor to the blade, the V-belts must be in good
condition (free from cracks, fraying and wear).
Check the V-belts at least every 3 months; more
often if the planer is used daily.
To tension the V-Belt:
1. Disconnect the machine from the power
source!
Make sure that the motor pulley and cutterhead
pulley are aligned and the V-Belts are properly
tensioned.
2. Insert a wooden lever between the motor
mount and the top of the planer as shown in
Figure 20.
To align the V-Belt:
1. Disconnect the machine from the power
source!
2. Remove the V-Belt cover.
3. Loosen the bolts that mount the motor to the
motor mount bracket.
4. Adjust the position of the motor until the pul-
leys are in line, and check the alignment with
a straightedge as shown in Figure 19.
Loosen These Bolts
Figure 20. Tensioning Belt.
3. Loosen the two bolts that hold the motor pul-
ley assembly to the planer (Figure 19).
4. Lift the motor assembly with the wooden
lever until the belt is tensioned correctly.
5. Hold the motor in place and secure the bolts
loosened in step 3.
6. Squeeze the belts to check the tension and
repeat steps 2-5 if necessary.
Figure 19. Checking pulley alignment.
-24-
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Gearbox
Lubrication
Since all bearings are sealed and permanently
lubricated, simply leave them alone until they
need to be replaced. DO NOT lubricate them.
The gearbox is located just behind the handwheel
on the right side of the planer. The gearbox trans-
fers power from the belt-driven cutterhead to the
power feed rollers. The two-speed transmission
is controlled by a push/pull lever on the right side
of the planer. When engaged, the power feed
rollers will move lumber through the planer at
either 16 or 20 feet-per-minute. The center lever
position is neutral.
The following is a list of features and parts
that need lubrication:
Columns/Lead Screws—The four columns
should be lubricated with light machine oil once a
week. The four lead screws should be lubricated
with general purpose grease once a month. See
Figure 22.
To inspect the gearbox:
1. Loosen the socket head cap screw on the
gearbox cover, and gently pull the cover off
the roll pins that hold it in place.
2. Check the bolts that hold the sprockets in
place. Inspect the drive chains to ensure that
the retaining clips are in place. Replace the
clips if necessary. See Figure 21.
Column
Lead screw
Figure 22. Columns and lead screws.
Figure 21. Gearbox.
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Worm Gear—The worm gear should be inspect-
ed monthly and lubricated when needed.
Remove the worm gear box to inspect. See parts
diagram for location.
Drive Chain—The drive chain should be inspect-
ed and lubricated monthly. Check the sprocket,
the chain and the cotter pin during inspection.
Use a general purpose grease. Some chains will
have master links instead of cotter pins.
Chain—The table height adjustment chain
should be inspected monthly and lubricated when
needed. A good quality bicycle chain lubricant
works well for periodic lubrication.
Feed Rollers—The infeed/outfeed pressure
setscrews double as lubrication ports for the
rollers. See Figure 25. Add 1-2 drops of light
machine oil to all ports before each use. Daily
lubrication of the feed rollers is crucial to the oper-
ation of your planer. Lubricate before start-up.
Apply a light oil, making sure that the lubricant
penetrates the bearing.
Gear Box—Gear box oil should be drained after
the first 20 hours of operation. See Figure 23 &
24. Replace with 80W-90 gear oil. Inspect levels
periodically and change yearly. Replace gear oil
more frequently under heavy use. Fill until oil
reaches the top of the filler plug port for correct oil
level.
Figure 25. Feed roller lubrication points.
Figure 23. Gearbox fill point.
Figure 24. Gearbox oil drain point.
-26-
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Planing Difficulties
Snipe can be minimized by proper adjustment of
the planer components, but complete removal of
snipe is extremely unlikely. More likely, you will
be able to reduce it to a tolerance of .002". If
snipe under that level is a problem, consider plan-
ing lumber longer than your intended work length
and cut off the excess after planing is completed.
The species of wood, as well as condition, will
affect planing ability. The harder the wood, the
more difficult it will be to plane. Below, we have
included below, a list of wood characteristics you
may encounter when planing. The following
descriptions of defects will give you some possi-
ble answers to problems you may encounter
while planing different materials. Possible solu-
tions follow the descriptions.
Uneven Knife Marks—Uneven knife marks can
occur when the chipbreaker is set too high.
Inspect cutterhead bearings if re-adjustment of
the chipbreaker fails to remedy the situation.
Chatter Marks—Usually caused by incorrect
chipbreaker and pressure bar setting heights.
Chatter marks can also be caused by running a
narrow wood piece through the planer at either
the right or left end of the cutterhead. Chatter, like
uneven knife marks, will show in the form of a
''washboard'' look. Chatter marks are more likely
to be inconsistent in appearance than uneven
knife marks.
Chipped Grain—Usually a result of cutting
against the grain, or planing wood with knots or
excessive amount of cross grain. Chipped grain
can also be caused by dull knives or misaligned
chipbreaker. Often, chipped grain can be avoided
by slowing down the feed rate and by taking shal-
low cuts. If those options do not work, inspect
your lumber and determine if its grain pattern is
causing the problem. If the wood does not show
substantial crossgrain, inspect your knives for
sharpness and inspect the chipbreaker for proper
alignment. See the Adjustment Section.
Wavy Surface—Caused by poor knife height
adjustment, a wavy surface appears when one
knife is taking deeper cuts than the rest of the
knives. Remedy by resetting the knives to a toler-
ance within 0.003" of one another.
Fuzzy Grain—Usually caused by surfacing lum-
ber with too high of a moisture content.
Sometimes fuzzy grain is a characteristic of some
woods, such as basswood. Fuzzy grain can also
be caused by dull knives or an incorrect grinding
bevel. Check with a moisture meter. If moisture is
greater than 20%, sticker the wood and allow to
dry. Otherwise, inspect knife condition.
Pitch & Glue Build-up—Glue and resin build-up
on the rollers and cutterhead will cause overheat-
ing by decreasing cutting sharpness while
increasing drag in the feed mechanism. The
result can include scorched lumber as well as
uneven knife marks and chatter.
Glossy Surface—Usually caused by dull knives
taking shallow cuts at a slow feed speed. Surface
gloss will usually be accompanied by overheat-
ing. Often, lumber will be scorched and eventual-
ly damage to knives will occur. If knives are sharp
on inspection, increase feed speed or cutting
depth.
Chip Marks—Occur when chips are not properly
expelled from the cutterhead. The knives catch
the chips and drag them across the lumber being
planed. Chips tend to be random and non-uni-
form (as compared to chipped grain). Can be
caused by exhaust blockage or too much room
between the cutterhead and chip deflector. Using
a dust collection system in combination with the
planer can help reduce chip marks. Inspect the
chip deflector and readjust (as described earlier
in the text).
Snipe—Occurs when board ends have more
material removed than the rest of the board.
Usually caused when one or both of the bed
rollers are set too high. Can also be caused by
the chipbreaker or pressure bar being set too
high. However, small amount of snipe is
inevitable.
G0550/G0551 15" Planer
-27-
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SECTION 8: SERVICE ADJUSTMENTS
Gauge Blocks
Always
disconnect
power to the machine
before performing ser-
vice adjustments. Failure
to do this may result in
serious personal injury.
Before attempting to adjust the table, you will
need to construct a gauge block. See Figure 26.
Do not use common 2x4 material. Use a hard
wood material like maple or oak. A pattern for this
gauge block has been provided for you on page
48 of this manual.
About Service
A good alternative is to use a Rotocator Figure
27. Use the Rotocator whenever the instructions
call for use of the gauge block or feeler gauge.
Refer to the current Grizzly catalog for rotocators.
This section is designed to help the operator with
adjustments that were made at the factory and
that might also need to be made during the life of
the machine.
This section is provided for your convenience—it
is not a substitute for the Grizzly Service
Department. If any adjustments arise that are not
described in this manual, then feel free to call the
Grizzly Service Department at (570) 546-9663.
Similarly, if you are unsure of how to perform any
procedure in this section, the Grizzly Service
Department will be happy to guide you through
the procedures or help in any other way.
Figure 26. Gauge block specifications.
Figure 27. Rotocator.
-28-
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— If the gap difference from one side to the
other is greater than 0.004", but less than
0.016", go to step 5.
Table Adjustment
If the gap difference from one side to the other is
greater than 0.016", the table raising chain under
the planer base will need to be adjusted. Please
call our Customer Service number for chain
adjustment instructions.
It is important that the cutterhead is parallel to the
table to plane stock perfectly square.
To check the table alignment:
1. Disconnect the machine from the power
source!
To adjust for gap differences:
6. Determine which side of the table must be
2. Place the gauge block on the table under
one end of the cutterhead.
raised to correct the gap.
7. Locate the two cap screws in the table cast-
ing for each of the columns. See Figure 29.
Loosen both sets of cap screws for each col-
umn on the side you wish to adjust.
3. Turn the handwheel to raise the table until
the block barely touches the cutterhead
body. The block should not be touching
the knives. See Figure 28.
4. Slide the block toward the opposite side of
the cutterhead. Use a feeler gauge to mea-
sure the width of the gap, if any, between the
top of the block and the bottom of the cutter-
head. If there is a gap, make a note, reading
the distance from the feeler gauge.
5. If the block wedges tightly between the table
and cutterhead when shifting from one side
to the other, repeat steps 1 through 3 above,
but start from the opposite end of the cutter-
head.
Figure 29. Cap screws for column adjustment.
8. Push down or pull up the table in the desired
direction. Hold the table in position and
retighten the cap screws.
9. Recheck the table to cutterhead parallelism
again. Repeat steps 1- 8 until the deviation
is less than 0.004".
Figure 28. Setting the outfeed table height.
— If the gap difference from one side to the
other is equal to or less than 0.004", no
further adjustment is necessary.
G0550/G0551 15" Planer
-29-
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4. Measure the board again and compare your
results with the scale. If there is a discrepan-
cy, loosen the scale adjustment screw and
correct the position. See Figure 30.
Thickness Scale
The thickness scale, located below the hand-
wheel, can be adjusted for accuracy. However,
material must be run through the machine to
adjust the thickness scale. Make certain you have
followed the directions in the Operations Section
for test running before attempting to make these
adjustments.
To adjust the scale:
1. Adjust the cutterhead height to the approxi-
mate thickness of your test lumber. Measure
the lumber with calipers to determine its
exact thickness.
1
Figure 30. Screw for column adjustment.
2. Move the cutterhead to ⁄16" under the thick-
ness of your lumber and feed your test board
through the planer.
3. Turn the handwheel one half rotation and run
the board through once more. Turn the board
over and repeat.
-30-
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Knife Inspection
The Model G0550/G0551 Planer has a three-
knife cutterhead. The cutterhead is located in the
head casting and rotates on two sealed bearings.
No lubrication is needed for the life of the bear-
ings.
Because of normal use and wear, the knives
must be periodically sharpened, replaced or
adjusted. Adjustment from the factory must also
be checked prior to use due to possible move-
ment during shipment.
Figure 31. Using the feeler gauge to
measure the gap.
To inspect the knives:
5. The variation between one side and the other
should not be greater than 0.004". Repeat
steps 1-4 on the other two knives. Again, the
variation between all three knives should not
be greater than 0.004".
1. Disconnect the machine from the power
source!
2. Lower the table and place the gauge block or
a Rotocator under one end of the cutterhead.
Once you have completed inspection on all three
knives, you will able to determine whether or not
there is a need to adjust the knives in the cutter-
head. Proceed to the appropriate section,
depending upon whether you are using the jack
screws or the springs.
3. Remove the V-Belt cover and carefully rotate
the belts to turn the cutterhead until the first
knife is at bottom dead center. Adjust the cut-
terhead height until the knife barely touches
the top of gauge block. Note—Rock the cut-
terhead back and forth to determine bottom
dead center.
When making adjustments, all three knives
must be adjusted the same. DO NOT adjust
one knife without adjusting the others as
well. Improper knife height adjustment can
result in damage to knives, poor planer per-
formance and possible operator injury.
4. Slide the gauge block to the opposite side of
the cutterhead and check the same knife,
rocking back and forth to determine bottom
dead center.
— If the knife does not contact the gauge
block, use a feeler gauge to determine
the difference between one side and the
other. See Figure 31.
NOTICE
— If the knife bottoms out on the gauge
block, repeat steps 1-3, but start on the
opposite side of the cutterhead.
Always adjust the thickness scale after
adjusting the knives.
G0550/G0551 15" Planer
-31-
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Knife Sharpening
Knife Setting
The process of setting the knives in the cutter-
head will come into play whenever you sharpen
or replace, or after determining that setting is nec-
essary during the initial setup.
For the best results, it is best to have planer
knives sharpened by a professional sharpening
service which has the grinding and measurement
equipment to assure that the knife cutting geom-
etry is maintained at optimum levels. Knife sharp-
ening is a procedure that requires some care and
precision, otherwise, a set of blades can be easi-
ly ruined. Knives should always be ground as a
set so they can be properly matched. Unequal
material removal can result in an unbalanced cut-
terhead which can affect not only planing surface
quality but ultimately the life of the cutterhead
bearings.
The knives lock into the cutterhead with wedge
type gibs. Springs under each knife provide an
upward pressure to help ease the setting
process. Jack screws under the knives allow fine
tuning to help in the setting process.
To set the knives:
1. Disconnect the machine from the power
source!
Your planer knives can be sharpened by a blade
hone. See the “Aftermarket Accessories” sub-
section at the back of this manual for more infor-
mation.
2. Remove the upper cover to expose the cut-
terhead.
3. Choose a knife to begin with and loosen the
gib bolts just enough until the springs push
the knife upward.
Figure 32 illustrates the features of the cutter-
head that are mentioned in this section.
Figure 32. Proper knife setting jig placement.
-32-
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4. Place the knife setting jig over the knife on
the cutterhead as shown in Figure 33. The
knife setting jig will push the knife into posi-
tion in the cutterhead.
Chip Breaker
The chip breaker is located on the top side of the
planer and extends down around the front of the
cutterhead. Its function is to prevent tear-out or
deep, unregulated gouging as the knives remove
material. The chip breaker works by breaking the
woodchips as they are being cut by the cutter-
head. The chip breaker also deflects and expels
the woodchips away from the surface of the
board and out of the planer.
To check the chipbreaker:
1. Disconnect the machine from the power
source!
Figure 33. Proper knife setting jig placement.
2. Ensure that the knives are properly adjusted.
5. While holding the position of the knife setting
jig, adjust the jack screws, located on each
end of the knife, until they make contact with
the bottom of the knife.
3. Place the gauge block on the table directly
under the cutterhead.
4. Using a 1mm feeler gauge between the
gauge block and the cutterhead, raise the
table until one of the knives just touches the
feeler gauge. Rotate the cutterhead by turn-
ing the V-belts to be sure the knife is at bot-
tom dead center.
6. While holding the position of the knife setting
jig, tighten the gib bolts down again in the
cutterhead (Figure 34). Tighten the bolts
evenly from the middle, working toward the
ends.
5. Lock the table by tightening the table lock
7. Repeat these steps for the other two knives.
knobs.
6. Remove the feeler gauge and slide the
gauge block under the chip breaker. See
Figure 35. The chip breaker should just
touch the top of the gauge block. Slide the
gauge block to the opposite end of the chip
breaker and check it in the same manner.
Figure 34. Tightening gib bolts in cutterhead.
G0550/G0551 15" Planer
-33-
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Feed Roller Height
The infeed and outfeed rollers move the lumber
through the planer, and press the lumber flat
against the planer table.
Set the infeed and outfeed rollers to 0.02"-0.04"
below the cutterhead knife edge at bottom dead
center.
To check roller height:
Figure 35. Gauge block under chip breaker.
1. Disconnect the machine from the power
source!
To adjust the chip breaker:
2. Lower the table so the gauge block will fit
1. Disconnect the machine from the power
source!
under one side of the infeed roller.
3. Raise the table until the gauge block barely
touches the infeed roller. See Figure 37. Do
not change the position of the table.
2. If an adjustment is necessary, loosen the
locknuts and turn the setscrews. See Figure
36. Stop turning when the bottom of the chip
breaker just touches the gauge block.
4. Slide the gauge block over so it is under the
edge of one of the knives. Turn the cutter-
head until one of the knives is at bottom
dead center over the gauge block.
3. Tighten both locknuts.
5. Measure the clearance between the top of
the gauge block and the edge of the knife
with a feeler gauge. Note the measurement
indicated on the feeler gauge.
Infeed Roller
Chipbreaker
Anti-Kickback
Fingers
Figure 36. Chip breaker height adjustment.
Figure 37. Feed roller height inspection.
-34-
G0550/G0551 15" Planer
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6. Repeat steps 1-5 for the opposite side of the
Bed Rollers
roller. Repeat all steps for the outfeed roller.
Feeler gauge measurement should be between
0.02"- 0.04"on the infeed and outfeed roller at
bottom dead center.
The bed rollers ease stock movement through
the planer. The height of the bed rollers will vary
depending on the types of wood you will be plan-
ing. When planing rough stock, set the rollers
slightly high to keep the lumber from dragging
along the bed; however, snipe may be unavoid-
able. Smooth lumber should be planed with the
rollers set just above the plane of the table. This
will minimize snipe.
To adjust roller height:
1. Remove the drive chain cover to access the
roller adjustments on the drive chain side of
the planer. A single socket head cap screw
holds the drive chain cover on. The belt side
adjustments are already accessible.
To adjust the bed rollers:
2. Loosen the roller adjustment check nuts and
turn the roller height setscrews to change the
height of the roller as needed. See Figure
38.
1. Ensure that power is disconnected and lay a
high quality straightedge across both table
rollers. Use a try square to keep the straight-
edge perpendicular to the table.
3. Check the roller height according to the
above instructions. Continue turning the
setscrew until the roller is properly adjusted.
2. Use a feeler gauge to measure the clearance
between the bottom of the straight edge and
the table. Ideal clearance is between 0.006"
and 0.002". Measure in several places. This
measurement must be consistent across the
entire table. See Figure 39.
4. When the roller is set in the correct position,
retighten the check nuts you loosened in
step 2 above.
5. Check your settings one last time and repeat
steps 1-4 if necessary.
Figure 39. Inspecting bed roller height.
Figure 38. Feed roller height adjustment.
G0550/G0551 15" Planer
-35-
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3. Loosen the setscrews on both sides of
each bed roller. See Figure 40.
Feed Roller Pressure
To be effective, the infeed and outfeed rollers
must put pressure on the workpiece as it feeds
through the planer. Too little pressure results in
slipping boards, too much pressure results in
jamming.
Setscrews
Setscrews
Experiment with the best pressure settings for
your work situations. Some rough cut lumber will
feed through with relatively few problems, while
other lumber will have more difficulty.
Adjusting roller pressure does not affect height.
To adjust roller pressure:
Figure 40. Adjusting bed roller height.
1. Disconnect the machine from the power
source!
4. Use a wrench to turn the eccentric shafts that
adjust roller height. Stop turning when the
table rollers are at the proper height.
2. Ensure that knives and feed rollers are set
correctly.
5. Once your roller heights are correct, retight-
en all the setscrews.
3. Unscrew the three regular pressure
setscrews on top of the planer body. See
Figure 41.
6. Check the height of the table rollers. Repeat
steps 1-5 until the bed rollers are properly
set.
Regular Pressure Setscrews
7. Spin the bed rollers to ensure free move-
ment.
Light Pressure Setscrew
Figure 41. Roller pressure setscrews.
-36-
G0550/G0551 15" Planer
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Chip Deflector
4. Remove the springs that are in the setscrew
holes. See Figure 42.
The chip deflector keeps chips from falling onto
the outfeed roller. It is the orange plastic plate
located under the top cover.
5. Check for any dirt or grit, and clean the
springs and setscrews if dirty.
6. Screw the three regular-pressure setscrews
back in until they are flush with the top of the
head casting.
The beveled edge of the chip deflector should be
properly adjusted according to your dust collec-
tion setup. However, if the chip deflector is set too
close to the knives, the rotating cutterhead may
pull it in and destroy it.
7. Screw the light pressure setscrew (Figure
1
42) until it is approximately ⁄4" above the
head casting. The feed chain applies addi-
tional tension to the right side of the outfeed
roller, so the pressure added by the setscrew
need not be as high.
To adjust the chip deflector:
1. Disconnect the machine from the power
source!
2. Loosen the three deflector mounting bolts.
See Figure 43. Make sure the beveled edge
of the deflector faces the cutterhead.
Pressure Setscrew
Pressure Spring
Mounting Bolts
Roller
Cutterhead
Chip Deflector
Chipbreaker
Height Setscrew
Check Nut
Figure 42. Roller pressure assembly.
Figure 43. Chip deflector access.
— The edge of the chip deflector should be
1⁄16" away from the knife edge if a dust col-
lection system is not installed on your
planer.
— The edge of the chip deflector should be
1
⁄
4" away from the knife edge if a dust col-
lection system is in place on your planer.
3. Tighten the chip deflector mounting bolts and
mount the upper cover back onto the planer.
G0550/G0551 15" Planer
-37-
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SECTION 9: REFERENCE INFO
We recommend you keep a copy of our current
catalog for complete information regarding
Grizzly's warranty and return policy. If you need
additional technical information relating to this
General
machine, or if you need general assistance or
replacement parts, please contact the Service
Department at the location listed below.
This section contains the following subsections
for the Model G0550/G0551: aftermarket acces-
sories, data sheets, parts diagrams and list, trou-
bleshooting, wiring diagrams, gauge block
design, and warranty/return information.
1203 Lycoming Mall Circle
Grizzly Industrial, Inc.
Muncy, PA 17756
If you need parts or help in assembling your
Phone: (570) 546-9663
machine, or if you need operational information,
Fax: (800) 438-5901
call the service department at (570) 546-9663.
E-Mail: techsupport@grizzly.com
Trained service technicians will be glad to help
you.
If you have any comments regarding this manual,
please write to Grizzly at the address below:
Grizzly Industrial, Inc.
Technical Documentation
P.O. Box 2069
C
/O
Bellingham, WA 98227-2069
-38-
G0550/G0551 15" Planer
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Aftermarket
Accessories
Rotocator—Model G1738
The Rotacator® has a
magnetic base and is
used to adjust settings
on any planer. Infeed
and outfeed rollers,
pressure bars, feed-bed
rollers, chipbreaker,etc.,
can be adjusted very
quickly and accurately.
To order any of the aftermarket accessories
below, find the model number in bold and call our
customer service line 24 hours a day at 1-800-
523-4777.
Replacement Knives—Model G1196
Replace your old planer
knives and get your
machine cutting like new
again with these high
speed steel replacement
knives.
Planer/Jointer Blade Hone—Model G3631
Add a razor hone to your
planer and jointer knives
with this hand-held
sharpening device.
SHOP FOX® Mobile Base—Model G8683
Make your planer mobile
with this popular patent-
ed mobile base.
Planer Pals—See The Current Grizzly Catalog
For Model #s.
These patented jigs are
remarkably simple to
use an hold knives
securely in place while
you tighten them in the
cutterhead. They also
allow you to shift nicked
knives to avoid replace-
ment or removal.
G0550/G0551 15" Planer
-39-
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MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901
GRIZZLY MODEL G0550 15" PLANER
Design Type ....................................................................................................Bench Model
Overall Dimensions:
Table Size....................................................................................................147/8'' x 20''
Height w⁄ Stand ........................................................................................................53''
Overall Length ..........................................................................................................48''
Overall Width............................................................................................................28''
Shipping Weight................................................................................................460 lbs.
Net Weight ........................................................................................................410 lbs.
Foot Print ........................................................................................................25" x 25"
Crate Size ..................................................................................221⁄2"L x 30"W x 29"H
Capacities:
Maximum Depth of Cut..............................................................................................1⁄8''
Maximum Width of Cut ........................................................................................ 147⁄8''
Maximum Cutting Height ........................................................................................61⁄8''
Minimum Stock Thickness........................................................................................3⁄16"
Minimum Stock Length ..............................................................................................8"
Cutterhead Speed ........................................................................................5000 RPM
Cuts per Minute ..................................................................................................15,000
Cuts per Inch.................................................................................................... 63 & 78
Feed Speeds ............................................................................................16 & 20 FPM
Construction:
Table ..................................................................................Precision Ground Cast Iron
Infeed Roller ..........................................................................................Spiral Serrated
Outfeed Roller ......................................................................................Machined Steel
Power Transfer to Feed Rollers:........................................................Gearbox & Chain
Cutterhead Assembly ............................................................................................Steel
Cutterhead ............One piece machined shaft; 3 Knife Slots w/ Sealed Ball Bearings
Motor:
Type ............................................................................TEFC Capacitor-Start Induction
Horsepower............................................................................................................2 HP
Phase ⁄ Voltage ............................................................................Single Phase ⁄ 220 V
Amps ......................................................................................................................12A
Cycle ⁄ RPM..................................................................................60 Hertz ⁄ 3450 RPM
Switch........................................................Magnetic With Thermal Overload Protector
Power Transfer to Cutterhead ..................................................................Triple V-Belt
Bearings ............................................Sealed & Permanently Lubricated Ball Bearings
Features:
Stand............................................................................................................Open Style
Roller Extension Tables ................................................................3 Adjustable Rollers
Cutterhead Movement ..................................Handwheel & 4 Chaindriven Leadscrews
Table Locks ..............................................................................................Two Positive
Chip Chute ......................................................................................................4'' Outlet
Bed Rollers ................................................................................................2 Adjustable
Knife Type / Size / Adjustment ........3 HSS / 15" x 1" x 1⁄8" / Jack-screws and Springs
..........................................................................................Drive Gears Run In Oil Bath
..........................................................................Vertical Scale Calibrations Inch/Metric
Specifications, while deemed accurate, are not guaranteed.
-40-
G0550/G0551 15" Planer
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MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901
GRIZZLY MODEL G0551 15" PLANER
Design Type ....................................................................................................Bench Model
Overall Dimensions:
Table Size....................................................................................................147/8'' x 20''
Height w⁄ Stand ........................................................................................................53''
Overall Length ..........................................................................................................48''
Overall Width............................................................................................................28''
Shipping Weight................................................................................................560 lbs.
Net Weight ........................................................................................................450 lbs.
Foot Print ........................................................................................................21" x 21"
Crate Size ................................................................................303⁄4"L x 30"W x 481⁄2"H
Capacities:
Maximum Depth of Cut..............................................................................................1⁄8''
Maximum Width of Cut ........................................................................................ 147⁄8''
Maximum Cutting Height ........................................................................................61⁄8''
Minimum Stock Thickness........................................................................................3⁄16"
Minimum Stock Length ..............................................................................................8"
Cutterhead Speed ........................................................................................5000 RPM
Cuts per Minute ..................................................................................................15,000
Cuts per Inch.................................................................................................... 63 & 78
Feed Speeds ............................................................................................16 & 20 FPM
Construction:
Table ..................................................................................Precision Ground Cast Iron
Infeed Roller ..........................................................................................Spiral Serrated
Outfeed Roller ......................................................................................Machined Steel
Power Transfer to Feed Rollers:........................................................Gearbox & Chain
Cutterhead Assembly ............................................................................................Steel
Cutterhead ............One piece machined shaft; 3 Knife Slots w/ Sealed Ball Bearings
Motor:
Type ............................................................................TEFC Capacitor-Start Induction
Horsepower............................................................................................................3 HP
Phase ⁄ Voltage ............................................................................Single Phase ⁄ 220 V
Amps ......................................................................................................................18A
Cycle ⁄ RPM..................................................................................60 Hertz ⁄ 3450 RPM
Switch........................................................Magnetic With Thermal Overload Protector
Power Transfer to Cutterhead ..................................................................Triple V-Belt
Bearings ............................................Sealed & Permanently Lubricated Ball Bearings
Features:
Roller Extension Tables ................................................................3 Adjustable Rollers
Cutterhead Movement ..................................Handwheel & 4 Chaindriven Leadscrews
Table Locks ..............................................................................................Two Positive
Chip Chute ......................................................................................................4'' Outlet
Bed Rollers ................................................................................................2 Adjustable
Knife Type / Size / Adjustment ........3 HSS / 15" x 1" x 1⁄8" / Jack-screws and Springs
..........................................................................................Drive Gears Run In Oil Bath
..........................................................................Vertical Scale Calibrations Inch/Metric
..................................................................................Powder Coated Paint on Cabinet
Specifications, while deemed accurate, are not guaranteed.
G0550/G0551 15" Planer
-41-
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-42-
G0550/G0551 15" Planer
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G0550/G0551 15" Planer
-43-
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149
150
151
142
141
140
G0551 Stand
152
153
156
139
138
154
173
174
175
176
17
143
177
178
179
G0550 Stand
185
190
183
180
185
190
184
188
187
188
187
186
186
180
187
187
190
182
190
181
191
186
186
192
193
-44-
G0550/G0551 15" Planer
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REF
PART #
DESCRIPTION
REF
PART #
DESCRIPTION
1
2
3
4
5
6
7
8
P0550001
PVM27
PB09M
PB01M
P0550005
PW04M
P0550007
P0550008
PK10M
P0550010
P0551010
PULLEY COVER
42
43
44
45
46
47
48
49
50
51
52
52
P0550042
P0550043
P0550044
PSS11M
HEAD CASTING
V-BELT M-27 3L270
HEX BOLT M8-1.25 X 20
HEX BOLT M10-1.5 X 30
SPECIAL WASHER
FLAT WASHER 10MM
CUTTERHEAD PULLEY
BELT HOUSING
KEY 5 X 5 X 12
2 HP MOTOR (G0550)
3 HP MOTOR (G0551)
CHIP BREAKER SPRING
TENSIONING SETSCREW
SET SCREW M6-1 X 16
KEY 8 X 8 X 36
CUTTERHEAD
LOCKING ROD
THREADED GIB
PIN
CHAIN COVER
MAG SWITCH 220V, 2HP(G0550)
MAG SWITCH 220V, 3HP(G0551)
PK09M
P0550047
P0550048
P0550049
P0550050
P0550051
P0550052
P0551052
9
10
10
10-1 P0550010-1 MOTOR FAN (G0550)
10-1 P0551010-1 MOTOR FAN (G0551)
52-1 P0550052-1 CONTACTOR MA-09 (G0550)
52-1 P0551052-1 CONTACTOR MA-18 (G0551)
52-2 P0550052-2 RELAY RA-20/12~18A (G0550)
52-2 P0551052-2 RELAY RA-30/18~26A (G0551)
52-3 P0550052-3 MAG SWITCH COVER (G0550)
52-3 P0551052-3 MAG SWITCH COVER (G0551)
52-4 P0550052-4 PLASTIC SWITCH SCREW
10-2 P0550010-2 MOTOR FAN COVER (G0550)
10-2 P0551010-2 MOTOR FAN COVER (G0551)
10-3 P0550010-3 WIRING BOX (G0550)
10-3 P0551010-3 WIRING BOX (G0551)
10-4 P0550010-4 CAPACITOR COVER (G0550)
10-4 P0551010-4 CAPACITOR COVER (G0551)
10-5 P0550010-5 S CAPACITOR500M125V(G0550)
10-5 P0551010-5 S CAPACITOR500M125V(G0551)
53
54
55
56
57
58
59
60
61
62
63
64
P0550053
PSB01M
PSS14M
P0550056
P0550057
P0550058
PN01M
P0550060
P0550061
PFH30M
PK01M
DIRECTION SCALE
CAP SCREW M6-1 X 16
SET SCREW M8-1.25 X 12
SPRING
BUSHING BLOCK
PLATE
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
P0550011
PB13M
PFB01M
P0550014
PB07M
P0550016
PN03M
PS14M
P0550019
PW01M
PB118M
PW01M
P0550023
P0550024
P0550025
P0550026
P0550027
P0550028
PSB04M
PN08M
CLIP
HEX BOLT M10-1.5 X 80
FLANGE BOLT M6-1 X 12
SPACER
HEX BOLT M8-1.25 X 25
DUST CHUTE
HEX NUT M8-1.25
PHLP HD SCR M6-1 X 12
MOTOR PLATE
FLAT WASHER 8MM
HEX BOLT M8-1.25 X 45
FLAT WASHER 8MM
CHAIN TENSIONER
SHAFT
HEX NUT M6-1
OUTFEED ROLLER
DEPTH LIMITER
FLAT HD SCR M5-.8 X 8
KEY 5 X 5 X 22
P9972609
RIVET 2X5
64-1 P0550064-1 POINTER
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
P0550065
PW03M
PB83M
P0550068
P6205
P0550070
P0550071
P0550072
PECO5M
P0550074
P0550075
P0550076
P0550077
P0550078
PSB26M
P6204
SPROCKET
FLAT WASHER 6MM
HEX BOLT M6-1 X 16
CHAIN
BALL BEARING 6205
CHIP BREAKER
CHIP BREAKER ADJUST ROD
LOCKING KNOB
E-CLIP15MM
SPACER
ANTI-KICKBACK FINGER
SHAFT
INFEED ROLLER
SPROCKET
CAP SCREW M6-1 X 12
BALL BEARING 6204
GEAR
TENSION WHEEL
SHAFT
SPRING
HANGER
CAP SCREW M6-1 X 10
HEX NUT M10-1.25
FLAT WASHER 10MM
FLAT WASHER 10MM
HEIGHT HANDWHEEL
HANDLE
UPPER COVER
CHIP DEFLECTOR
COLUMN CAP
PW04M
PW04M
P0550033
P0550034
P0550035
P0550036
P0550037
PSB05M
P0550039
P0550040
PB02M
CAP SCREW M8-1.25 X 50
LOCKING KNOB
GIB
P0550081
PSB06M
P6201
CAP SCREW M6-1 X 25
BALL BEARING 6201
GEAR
HEX BOLT M6-1 X 12
P0550084
G0550/G0551 15" Planer
-45-
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REF
PART #
DESCRIPTION
REF
PART #
DESCRIPTION
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
P0550085
PK06M
P0550087
P0550088
P6201
GEAR AND SHAFT
KEY 5 X 5 X 10
GEAR CASE
137 PB02M
HEX BOLT M6-1 X 12
STAND
STAND DOOR
HEX NUT 3⁄8-16
DOOR LOCK
LOCKING KNOB
FOOT
SAFETY HATCH
CAP SCREW M8-1.25 X 45
E-CLIP 9MM
138 P0551138
139 P0551139
140 PN08
PIN
BALL BEARING 6201
GEAR, 2 SPEED
KEY 6 X 6 X 40
GEAR
ROUND KNOB (FEMALE)
CHAIN
SPROCKET
OIL PLUG
OIL SEAL 28 X 40 X 8
GEAR BOX
GASKET
141 P0551141
142 P0551142
143 P0551143
144 P0550144
145 PSB45M
146 PEC10M
147 P0550147
148 P0550148
149 PAW06M
150 PAW05M
151 PAW04M
152 PAW03M
153 PWR810
154 PWR1214
156 P0551156
157 P0550157
160 PLW04M
162 P0550162
163 P0550163
164 PLW04M
165 P0550165
166 PW03M
168 P0550168
169 P0550169
170 P0550170
171 P0550171
172 P0550172
173 P0550173
173 P0551173
174 PLABEL-12 READ MANUAL LABEL
175 PLABEL-15 EAR PROTECTION LABEL
176 PLABEL-37 RESPIRATOR/GLASSES LABEL
P0550090
PK11M
P0550092
PSW03-1
P0550094
P0550095
P0550096
P0550097
P0550098
P0550099
KNIFE GAUGE
KNIFE GAUGE ROD
ALLEN WRENCH 6MM
ALLEN WRENCH 5MM
ALLEN WRENCH 4MM
ALLEN WRENCH 3MM
8 X 10 WRENCH
12 X 14 WRENCH
PANEL PAD
MOTOR PULLEY
LOCK WASHER 8MM
SPRING
JACK SCREW M5-.8 X 12
LOCK WASHER 8MM
PLASTIC ROLLER BUSHING
FLAT WASHER 6MM
ROLLER ROD
100 P0550100
101 P0550101
102 P0550102
103 P1021128
104 P0550104
105 P6204
106 P0550106
107 P0550107
108 P0550108
109 P0550109
110 PK12M
111 P0550111
112 P0550112
113 PSS04M
114 P0550114
115 P0550115
116 P0550116
117 P608ZZ
118 P0550118
119 PSS13M
120 P0550120
121 PR05M
122 P0550122
123 P0550123
124 P0550124
125 P0550125
126 P6202
DOUBLE GEAR
SHAFT
SPRING
BALL 6MM
OIL SEAL 25 X 47 X 6
BALL BEARING 6204
ROLLER FRAME
SHIFTER
SHIFTER SHAFT
O-RING 12MM
KEY 5 X 5 X 30
SPINDLE NUT
ELEV. LEAD SCREW, SHORT
SET SCREW M6-1 X 12
COLUMN
COLUMN RING
TABLE ROLLER SHAFT
BALL BEARING 608
TABLE ROLLER
SET SCREW M10-1.5 X 12
CHAIN
EXT RETAINING RING 15MM
SPROCKET
SHAFT
IDLER BRACKET
BASE
BALL BEARING 6202
INT RETAINING RING 35MM
SPROCKET
SCALE
PHLP HD SCR M3-.5 X 6
COLUMN
HEX BOLT M8-1.25 X 30
INT RETAINING RING 38MM
BUSHING
KEY 4 X 4 X 20
ELEVATION SPINDLE, LONG
ROLLER
STRAIGHT KNIFE, SET OF 3
GIB BOLT
GIB
MACHINE ID LABEL (G0550)
MACHINE ID LABEL (G0551)
177 P0550177
178 P0550178
179 PLABEL-14 ELECTRICITY LABEL
180 P0550180
181 P0550181
182 P0550182
183 P0550183
184 P0550184
185 PB03
UNPLUG LABEL
BELT COVER LABEL
LEG
LONG SIDE BRACE
SHORT SIDE BRACE
LONG TOP BRACE
SHORT TOP BRACE
HEX BOLT 5/16-18 X 1
CARRIAGE BOLT 5/16-18 X 1/2
HEX NUT 5/16-18
LOCK WASHER 8MM
FLAT WASHER 8MM
STAND TOP
127 PR21M
128 P0550128
129 P0550129
130 PS12M
131 P0550131
132 PB26M
133 PR22M
134 P0550134
135 PK48M
186 PCB02
187 PN02
188 PLW04M
190 PW01M
191 P0550191
192 PW01M
193 PN03M
FLAT WASHER 8MM
HEX NUT M8-1.25
136 P0550136
-46-
G0550/G0551 15" Planer
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Troubleshooting Guide
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Motor will not start.
1. Low voltage.
1. Check power line for proper voltage.
2. Open circuit in motor or loose
connections.
2. Inspect all lead connections on motor for loose or open connections.
Motor will not start; fuses or 1. Short circuit in line cord or plug.
1. Inspect cord or plug for damaged insulation and shorted wires.
2. Inspect all connections on motor for loose or shorted terminals
or worn insulation.
circuit breakers blow.
2. Short circuit in motor or loose
connections.
3. Incorrect fuses or circuit breakers
in power line.
3. Install correct fuses or circuit breakers.
Motor overheats.
1. Motor overloaded.
2. Air circulation through the motor
restricted.
1. Reduce load on motor.
2. Clean out motor to provide normal air circulation.
Motor stalls (resulting in 1. Short circuit in motor or loose
1. Inspect connections on motor for loose or shorted terminals or worn
insulation.
blown fuses or tripped cir-
cuit).
connections.
2. Low voltage.
2
Correct the low voltage conditions.
3. Incorrect fuses or circuit breakers
in power line.
3. Install correct fuses or circuit breakers.
4. Motor overloaded.
4. Reduce load on motor.
Machine slows when oper- 1. Feed rate too high.
ating. 2. Depth of cut too great.
1. Feed workpiece slower.
2. Reduce depth of cut.
Loud, repetitious noise com- 1. Pulley setscrews or keys are mis-
1. Inspect keys and setscrews. Replace or tighten if necessary.
2. Tighten fan or shim cover.
ing from machine
sing or loose.
2. Motor fan is hitting the cover.
3. V-belt is defective
3. Replace V-belt. See Maintenance.
Machine is loud when cut- 1. Excessive depth of cut.
ting. Overheats or bogs 2. Knives are dull
down in the cut.
1. Decrease depth of cut.
2. Sharpen knives.
Infeed roller marks are left 1. Depth of cut too shallow.
on the workpiece.
1. Increase depth of cut.
Outfeed roller marks are left 1. Too much spring tension on feed
1. Refer to Feed Roller Pressure section for adjustment.
on right side of workpiece.
roller.
Cannot control snipe.
1. Long or heavy board sags as it
enters and exits.
1. Lift up on unsupported end of board as it enters and exits
cutterhead.
Chip buildup on outfeed 1. Chips working their way back under 1. Lay duct tape over the mounting bolts along the outside edge to seal
roller.
the chip deflector.
any possible gaps.
Machine howls on startup.
1. Chip deflector too close to the
cutterhead.
1. Move chip deflector back 1/8" to 1/4" from the cutterhead.
Table moves down while
cutting.
1. Knives dull.
2. Cutterhead is not locked.
1. Replace knives.
2. Tighten cutterhead lock knobs.
G0550/G0551 15" Planer
-47-
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G0550/G0551 Wiring Diagram
Single Phase
Green
Power Source
Black
White
A1
Black
1L1
3L2
Magnetic Switch
5L3
NO 13
NC 15
16 NC
Ground
14 NO
6T3
4T2
2T1
G0550
Thermal Protection
Circuit Breaker
18
12
15
Reset
G0551
1/2
5/6
3/4
18
26
22
98
95
96
Black
MOTOR
Disconnect
power
from
machine before performing any
electrical service. Failure to do
this will result in a shock
hazard leading to injury.
Black
Green
White
-48-
G0550/G0551 15" Planer
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G0550/G0551 15" Planer
-49-
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Warranty & Returns
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from
the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,
negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty
and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-
ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.
In no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and
any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, spe-
cial, or consequential damages arising from the use of our products.
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then
issue you a “Return Number,’’ which must be clearly posted on the outside as well as the inside of the car-
ton. We will not accept any item back without this number. Proof of purchase must accompany the mer-
chandise.
The manufacturers reserve the right to change specifications at any time because they constantly strive to
achieve better quality equipment. We make every effort to ensure that our products meet high quality and
durability standards and we hope you never need to use this warranty.
Please feel free to write or call us if you have any questions about the machine or the manual.
Thank you again for your business and continued support. We hope to serve you again soon.
-50-
G0550/G0551 15" Planer
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WARRANTY CARD
Name ____________________________________________________________________________________
Street ____________________________________________________________________________________
City ______________________________________________________________State________Zip_________
Phone Number_______________________E-Mail_______________________FAX________________________
MODEL #_____________________Serial # __________________________ Order #______________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop better products and services. Of
course, all information is strictly confidential.
1.
How did you learn about us?
9.
How many of your woodworking machines are Grizzly? _____________
Which benchtop tools do you own? Check all that apply.
___Advertisement
___Catalog
___Friend
___Card Deck
___World Wide Web
10.
___Other__________________________________________________
Which of the following magazines do you subscribe to.
___1" x 42" Belt Sander
___5" - 8" Drill Press
___8" jointer
___8" - 10" Bandsaw
___Disc/Belt Sander
___Mini Jointer
___6" - 8" Grinder
___Mini Lathe
___10" - 12" Thickness Planer
___Scroll Saw
___Spindle/Belt Sander
2.
___American Woodworker
___Cabinetmaker
___Practical Homeowner
___Shop Notes
___Family Handyman
___Fine Homebuilding
___Fine Woodworking
___Home Handyman
___Journal of Light Construction
___Old House Journal
___Popular Mechanics
___Popular Science
___Today’s Homeowner
___WOOD
___Wooden Boat
___Woodshop News
___Woodsmith
___Woodwork
___Woodworker
___Woodworker’s Journal
___Workbench
___Other__________________________________________________
How many of the machines checked above are Grizzly? ____________
11.
12.
Which portable/hand held power tools do you own? Check all that apply.
___Belt Sander
___Biscuit Joiner
___Circular Saw
___Detail Sander
___Drill/Driver
___Orbital Sander
___Palm Sander
___Portable Planer
___Saber Saw
___Reciprocating Saw
___Router
___Popular Woodworking
___Other__________________________________________________
Which of the following woodworking/remodeling shows do you watch?
3.
___Miter Saw
___Backyard America
___Home Time
___The American Woodworker
___The New Yankee Workshop
___This Old House
___Woodwright’s Shop
___Other__________________________________________________
What machines/supplies would you like Grizzly Industrial to carry?
13.
___Other__________________________________________________
What is your annual household income?
__________________________________________________________
__________________________________________________________
What new accessories would you like Grizzly Industrial to carry?
__________________________________________________________
__________________________________________________________
What other companies do you purchase your tools and supplies from?
__________________________________________________________
__________________________________________________________
Do you think your purchase represents good value?
4.
5.
___$20,000-$29,999
___$30,000-$39,999
___$40,000-$49,999
___$50,000-$59,999
___$60,000-$69,999
___$70,000-$79,999
___$80,000-$89,999
___$90,000 +
14.
15.
What is your age group?
___20-29
___30-39
___40-49
___50-59
___60-69
___70 +
6.
7.
8.
How long have you been a woodworker?
16.
17.
18.
___0 - 2 Years
___2 - 8 Years
___8 - 20 Years
___20+ Years
___Yes
Would you recommend Grizzly Industrial to a friend?
___Yes ___No
___No
How would you rank your woodworking skills?
___Simple
___Intermediate
___Advanced
___Master Craftsman
Would you allow us to use your name as a reference for Grizzly customers
in your area? Note: We never use names more than three times.
What stationary woodworking tools do you own? Check all that apply.
___Yes
___No
___Air Compressor
___Bandsaw
___Drill Press
___Drum Sander
___Dust Collector
___Horizontal Boring Machine
___Jointer
___Panel Saw
___Planer
19.
Comments:_________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
___Power Feeder
___Radial Arm Saw
___Shaper
___Spindle Sander
___jointer
___Lathe
___Mortiser
___Vacuum Veneer Press
___Wide Belt Sander
___Other__________________________________________________
G0550/G0551 15" Planer
-51-
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FOLD ALONG DOTTED LINE
Place
Stamp
Here
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
FOLD ALONG DOTTED LINE
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG EDGES--PLEASE DO NOT STAPLE
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Buy Direct and Save with Grizzly® – Trusted, Proven and a Great Value!
Visit Our Website Today And Discover Why
Grizzly® Is The Industry Leader!
• SECURE ORDERING
• ORDERS SHIPPED WITHIN 24 HOURS
• E-MAIL RESPONSE WITHIN ONE HOUR
-OR-
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FREE
Full Color Catalog
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