Router
MODEL 3621
003251
DOUBLE
INSULATION
I N S T R U C T I O N M A N U A L
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
w w w. m a k i t a t o o l s . c o m
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5. Avoid body contact with grounded sur-
faces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of
electric shock if your body is grounded.
14. Use safety equipment. Always wear eye
protection. Dust mask, non-skid safety
shoes, hard hat, or hearing protection must
be used for appropriate conditions. Ordinary
eye or sun glasses are NOT eye protection.
6. Do not expose power tools to rain or wet
conditions. Water entering a power tool will
increase the risk of electric shock.
Tool Use and Care
15. Use clamps or other practical way to
secure and support the workpiece to a
stable platform. Holding the work by hand or
against your body is unstable and may lead
to loss of control.
7. Do not abuse the cord. Never use the cord
to carry the tools or pull the plug from an
outlet. Keep cord away from heat, oil,
sharp edges or moving parts. Replace
damaged cords immediately. Damaged
cords increase the risk of electric shock.
16. Do not force tool. Use the correct tool for
your application. The correct tool will do the
job better and safer at the rate for which it is
designed.
8. When operating a power tool outside, use
an outdoor extension cord marked “W-A”
or “W”. These cords are rated for outdoor
use and reduce the risk of electric shock.
17. Do not use tool if switch does not turn it
on or off. Any tool that cannot be controlled
with the switch is dangerous and must be
repaired.
Personal Safety
9. Stay alert, watch what you are doing and
use common sense when operating a
power tool. Do not use tool while tired or
under the influence of drugs, alcohol, or
medication. A moment of inattention while
operating power tools may result in serious
personal injury.
18. Disconnect the plug from the power
source before making any adjustments,
changing accessories, or storing the tool.
Such preventive safety measures reduce the
risk of starting the tool accidentally.
19. Store idle tools out of reach of children
and other untrained persons. Tools are
dangerous in the hands of untrained users.
10. Dress properly. Do not wear loose cloth-
ing or jewelry. Contain long hair. Keep
your hair, clothing, and gloves away from
moving parts. Loose clothes, jewelry, or long
hair can be caught in moving parts.
20. Maintain tools with care. Keep cutting
tools sharp and clean. Properly maintained
tools with sharp cutting edges are less likely
to bind and are easier to control.
11. Avoid accidental starting. Be sure switch
is off before plugging in. Carrying tools with
your finger on the switch or plugging in tools
that have the switch on invites accidents.
21. Check for misalignment or binding of
moving parts, breakage of parts, and any
other condition that may affect the tools
operation. If damaged, have the tool ser-
viced before using. Many accidents are
caused by poorly maintained tools.
12. Remove adjusting keys or wrenches
before turning the tool on. A wrench or a
key that is left attached to a rotating part of
the tool may result in personal injury.
22. Use only accessories that are recom-
mended by the manufacturer for your
model. Accessories that may be suitable for
one tool, may become hazardous when used
on another tool.
13. Do not overreach. Keep proper footing
and balance at all times. Proper footing and
balance enables better control of the tool in
unexpected situations.
3
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24. When servicing a tool, use only identical
replacement parts. Follow instructions in
the Maintenance section of this manual.
Use of unauthorized parts or failure to follow
Maintenance instructions may create a risk of
electric shock or injury.
SERVICE
23. Tool service must be performed only by
qualified repair personnel. Service or main-
tenance performed by unqualified personnel
could result in a risk of injury.
USE PROPER EXTENSION CORD: Make sure your extension cord is in good condition.
When using an extension cord, be sure to use one heavy enough to carry the current your
product will draw. An undersized cord will cause a drop in line voltage resulting in loss of
power and overheating. Table 1 shows the correct size to use depending on cord length and
nameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage num-
ber, the heavier the cord.
Table 1: Minimum gage for cord
Volts
120 V
Total length of cord in feet
Ampere Rating
25 ft.
50 ft.
100 ft.
150 ft.
More Than
Not More Than
AWG
0
6
10
12
6
18
18
16
14
16
16
16
12
16
14
14
14
12
12
10
12
16
Not Recommended
SPECIFIC SAFETY RULES
USB013-3
DO NOT let comfort or familiarity with product (gained from
repeated use) replace strict adherence to router safety rules. If
you use this tool unsafely or incorrectly, you can suffer serious
personal injury.
1. Hold tool by insulated gripping surfaces
when performing an operation where the
cutting tool may contact hidden wiring or
its own cord. Contact with a “live” wire will
make exposed metal parts of the tool “live”
and shock the operator.
4. Check the bit carefully for cracks or dam-
age before operation. Replace cracked or
damaged bit immediately.
5. Avoid cutting nails. Inspect for and
remove all nails from the workpiece before
operation.
2. Wear hearing protection during extended
period of operation.
6. Hold the tool firmly with both hands.
7. Keep hands away from rotating parts.
3. Handle the bits very carefully.
8. Make sure the bit is not contacting the
workpiece before the switch is turned on.
4
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9. Before using the tool on an actual work-
piece, let it run for a while. Watch for
vibration or wobbling that could indicate
improperly installed bit.
14. Always lead the power supply cord away
from the tool towards the rear.
15. Do not smear the tool base carelessly with
thinner, gasoline, oil or the like. They may
cause cracks in the tool base.
10. Be careful of the bit rotating direction and
the feed direction.
16. Draw attention to the need to use cutters
of the correct shank diameter and suitable
for the speed of the tool.
11. Do not leave the tool running. Operate the
tool only when hand-held.
12. Always switch off and wait for the bit to
come to a complete stop before removing
the tool from workpiece.
17. Some material contains chemicals which
may be toxic. Take caution to prevent dust
inhalation and skin contact. Follow mate-
rial supplier safety data.
13. Do not touch the bit immediately after
operation; it may be extremely hot and
could burn your skin.
SAVE THESE INSTRUCTIONS
WARNING:
MISUSE or failure to follow the safety rules stated in this
instruction manual may cause serious personal injury.
SYMBOLS
USD201-2
The followings show the symbols used for tool.
V .......................volts
....................no load speed
n
˚
A .......................amperes
....................Class II Construction
Hz .....................hertz
.../min................revolutions or reciprocation per
minute
................alternating current
5
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FUNCTIONAL
DESCRIPTION
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
003252
Adjusting the depth of cut
Place the tool on a flat surface. Loosen the screw securing
the stopper pole.
1
2
1. Stopper pole
2. Screw
003253
Loosen the lock lever and lower the tool body until the bit just
touches the flat surface. Tighten the lock lever to lock the tool
body.
1
1. Lock lever
003254
Next, lower the stopper pole until it makes contact with the
adjusting hex bolt. Align the depth pointer with the “0” gradu-
ation.
1
2
Raise the stopper pole until the desired depth of cut is
obtained. The depth of cut is indicated on the scale (1 mm or
1/16’’ per graduation) by the depth pointer. Then tighten the
screw to secure the stopper pole.
3
4
5
1. Depth pointer
2. Screw
Now, your predetermined depth of cut can be obtained by
loosening the lock lever and then lowering the tool body until
the stopper pole makes contact with the adjusting hex bolt.
3. Stopper pole
4. Adjusting hex bolt
5. Stopper block
CAUTION:
•
Since excessive cutting may cause overload of the motor
or difficulty in controlling the tool, the depth of cut should
not be more than 15 mm (9/16”) at a pass when cutting
grooves with an 8 mm (5/16”) diameter bit. (Note: When
cutting grooves with a 20 mm (13/16”) diameter bit, the
depth of cut should not be more than 5 mm (3/16”) at a
pass.)
When you wish to cut grooves more than 15 mm (9/16”)
6
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deep with an 8 mm (5/16”) diameter bit or more than 5
mm (3/16”) deep with a 20 mm (13/16”) diameter bit,
make several passes with progressively deeper bit
settings.
Stopper block
The stopper block has three adjusting hex bolts which raise
or lower 0.8 mm (about 1/32”) per turn. You can easily obtain
three different depths of cut using these adjusting hex bolts
without readjusting the stopper pole.
Adjust the lowest hex bolt to obtain the deepest depth of cut,
following the method of “Adjusting depth of cut”. Adjust the
two remaining hex bolts to obtain shallower depths of cut.
The differences in height of these hex bolts are equal to the
differences in depths of cut.
To adjust the hex bolts, first loosen the hex nuts on the hex
bolts with the wrench and then turn the hex bolts. After
obtaining the desired position, tighten the hex nuts while
holding the hex bolts in that desired position. The stopper
block is also convenient for making three passes with pro-
gressively deeper bit settings when cutting deep grooves.
CAUTION:
•
When using a bit having total length of 60 mm (2 - 3/8”)
or more, or edge length of 35 mm (1 - 3/8”) or more, the
depth of cut cannot be adjusted as previously
mentioned. To adjust, proceed as follows:
Loosen the lock lever and carefully adjust bit protrusion
below the tool base to the desired depth of cut by
moving the tool body up or down. Then re-tighten the
lock lever to lock the tool body at that depth of cut. Keep
the tool body locked at this position during use. Since the
bit always protrudes from the tool base, be careful when
handling the tool.
003255
Adjusting the lock lever
The locked position of the lock lever is adjustable. To adjust
it, loosen the lock lever 3/4 turn and press the center of the
lock lever. The hex nut will come out. Set the hex nut to the
desired position and tighten the lock lever.
1
1. Hex nut
7
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003256
Switch action
CAUTION:
•
Before plugging in the tool, always check to see that the
switch trigger actuates properly and returns to the “OFF”
1
position when released.
To start the tool, simply pull the switch trigger. Release the
switch trigger to stop.
1. Switch trigger
ASSEMBLY
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
003257
Installing or removing router bit
Insert the bit all the way into the collet cone and tighten the
collet nut securely with the two wrenches.
To remove the bit, follow the installation procedure in reverse.
CAUTION:
•
Do not tighten the collet nut without inserting a bit, or the
collet cone will break.
003258
Dust nozzle (optional accessory)
1
When you wish to perform clean cutting operation, use the
dust nozzle. Install the dust nozzle on the router base using
the two screws and connect a vacuum cleaner to the dust
nozzle.
2
3
1. Dust nozzle
2. Hose of vacuum cleaner
3. Screws
Set the tool base on the workpiece to be cut without the bit
making any contact. Then turn the tool on and wait until the
bit attains full speed. Lower the tool body and move the tool
forward over the workpiece surface, keeping the tool base
flush and advancing smoothly until the cutting is complete.
OPERATION
When doing edge cutting, the workpiece surface should be
on the left side of the bit in the feed direction.
8
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001984
2
4
4
1
2
3
1. Workpiece
3. View from the top of the tool
2. Bit revolving direction
4. Feed direction
NOTE:
•
Moving the tool forward too fast may cause a poor
quality of cut, or damage to the bit or motor. Moving the
tool forward too slowly may burn and mar the cut. The
proper feed rate will depend on the bit size, the kind of
workpiece and depth of cut. Before beginning the cut on
the actual workpiece, it is advisable to make a sample
cut on a piece of scrap lumber. This will show exactly
how the cut will look as well as enable you to check
dimensions.
•
When using the straight guide, be sure to install it on the
right side in the feed direction. This will help to keep it
flush with the side of the workpiece.
003259
Straight guide
The straight guide is effectively used for straight cuts when
chamfering or grooving.
003260
To install the straight guide, insert the guide bars into the
holes in the tool base. Adjust the distance between the bit
and the straight guide. At the desired distance, tighten the
wing bolts to secure the straight guide in place.
1
3
2
1. Straight guide
2. Guide bar
3. Wing bolt
9
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003261
When cutting, move the tool with the straight guide flush with
the side of the workpiece. If the distance (A) between the
side of the workpiece and the cutting position is too wide for
the straight guide, or if the side of the workpiece is not
straight, the straight guide cannot be used. In this case,
firmly clamp a straight board to the workpiece and use it as a
guide against the router base. Feed the tool in the direction
of the arrow.
A
003262
Templet guide (optional accessory)
The templet guide provides a sleeve through which the bit
passes, allowing use of the router with templet patterns.
003263
To install the templet guide, loosen the screws on the tool
base, insert the templet guide and then tighten the screws.
1
2
3
1. Screw
2. Base plate
3. Templet guide
003264
Secure the templet to the workpiece. Place the tool on the
templet and move the tool with the templet guide sliding
along the side of the templet.
2
1
3
4
5
1. Bit
2. Templet guide
3. Base
4. Templet
5. Workpiece
10
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MAINTENANCE
ACCESSORIES
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or
maintenance.
To maintain product SAFETY and RELIABILITY, repairs, car-
bon brush inspection and replacement, any other mainte-
nance or adjustment should be performed by Makita
Authorized or Factory Service Centers, always using Makita
replacement parts.
CAUTION:
•
These accessories or attachments are recommended for
use with your Makita tool specified in this manual. The
use of any other accessories or attachments might
present a risk of injury to persons. Only use accessory
or attachment for its stated purpose.
If you need any assistance for more details regarding these
accessories, ask your local Makita service center.
•
•
•
•
•
•
•
•
•
•
•
•
•
Straight & groove forming bits
Edge forming bits
Laminate trimming bits
Straight guide
Trimmer guide assembly
Templet guides
Templet guide adapter
Lock nut
Collet cone 1/4”
Dust nozzle
Wrench 8
Wrench 13
Wrench 22
11
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Memo
12
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First-Class
Postage
Required
Post Office will
not deliver
without proper
postage.
Makita U.S.A., Inc.
14930 Northam Street
La Mirada, CA 90638-5753
Fold
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MAIL THIS PORTION
Your answers to the following questions are appreciated.
1.This product was purchased from:
3. How did you learn about this product:
Home Center
Other (
)
Magazine
Radio
Hardware/Lumber Store
Tool Distributor
From Dealer
Newspaper
Store Display
Catalog
Exhibition
From Friend
Previous Usage
Other (
Industrial Supply
Construction Supply
)
2. Use of the product is intended for:
4. Most favored points are:
Construction Trade
Industrial Maintenance
Home Maintenance
Hobby
Design
Repair Service
Durability
Power
Features
Size
Price
Other (
)
Other (
)
Makita Brand
5. Any comments:
DATE PURCHASED
MONTH
MODEL NO.
DAY
YEAR
SERIAL NO.
STATUS
SEX
Married Single
M
F
INTL.
LAST NAME / COMPANY NAME
STREET ADRESS
CITY
AREA
CODE
STATE
ZIP CODE
PHONE
40-49
Under 19
20-29
30-39
50-60
Over 60
AGE:
BE SURE TO COMPLETE THE CUSTOMER’S PORTION OF THIS FORM AND RETAIN FOR YOUR RECORDS.
Please return this portion by facsimile or mail.
Facsimile No: (714) 522-8133
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Paste
Paste
Paste
Paste
Paste
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FACTORY SERVICE CENTERS
1-800-4-MAKITA
RETAIN THIS PORTION FOR YOUR RECORDS
ARIZONA
FLORIDA
MISSOURI
PENNSYLVANIA
1704 Babcock Blvd.
Pittsburgh, PA 15209
(412) 822-7370
3707 E. Broadway Rd., Ste. 6
Phoenix, AZ 85040
(602) 437-2850
750 East Sample Road
Pompano Beach, FL 33064
(954) 781-6333
9876 Watson Road
St. Louis, MO 63126-2221
(314) 909-9889
CALIFORNIA
GEORGIA
NEBRASKA
PUERTO RICO
41850 Christy St.
Fremont, CA 94538-5107
(510) 657-9881
4680 River Green Parkway NW
Duluth, GA 30096
(770) 476-8911
4129 S. 84th St.
Omaha, NE 68127
(402) 597-2925
200 Guayama St.
Hato Rey, PR 00917
(787) 250-8776
14930 Northam St.
La Mirada, CA 90638-5753
(714) 522-8088
ILLINOIS
NEVADA
3375 S. Decatur Blvd.
Suites. 22 - 24
Las Vegas, NV 89102
(702) 368-4277
TENNESSEE
1120 Elm Hill P.
Suile 170 Nashville, TN 372
(615) 248-3321
1450 Feehanville Dr.
Mt. Prospect, IL 60056-6011
(847) 297-3100
1970 Fulton Avenue
Sacramento, CA 95825
(916) 482-5197
MARYLAND
TEXAS
7674 Clairemont Mesa Blvd.
San Diego, CA 92111
(858) 278-4471
7397 Washington Boulevard,
Suite 104 Elkridge, MD 21075
(410) 796-4401
NEW JERSEY
12801 Stemmons Fwy Ste. 809
Farmers Branch, TX 75234
(972) 243-1150
251 Herrod Blvd.
Dayton, NJ 08810-1539
(609) 655-1212
16735 Saticoy St., Ste. 105
Van Nuys, CA 91406
(818) 782-2440
12701 Directors Dr.
Stafford, TX 77477-3701
(281) 565-8665
MASSACHUSETTS
232 Providence Hwy.
Westwood, MA 02090
(781) 461-9754
NEWYORK
4917 Genessee Street
Cheektowaga, NY 14225
(716) 685-9503
3453 IH-35 North, Ste. 101
San Antonio, TX 78219
(210) 228-0676
COLORADO
11839 E. 51st Ave.
Denver, CO 80239-2709
(303) 371-2850
MINNESOTA
6427 Penn Ave. South
Richfield, MN 55423
(612) 869-5199
OREGON
828 19th Avenue, N.W.
Portland, OR 97209
(503) 222-1823
WISCONSIN
Lincoln Plaza Shopping Ctr.
2245 S. 108th St. West Allis, WI
53227
(414) 541-4776
CUSTOMER’S RECORD
Date Purchased
When you need service: Send
complete tool (prepaid) to one
of the Makita Factory Service
Centers listed, or to an Authorized
Makita Service Center. Be sure
to attach a letter to the outside of
the carton detailing the problem
with your tool.
Dealer’s Name & Address
Model No.
Serial No.
15
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WARNING
Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities contains chemicals known to the State of California
to cause cancer, birth defects or other reproductive harm. Some examples
of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement and other masonry products, and
• arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this
type of work. To reduce your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equipment, such as those
dust masks that are specially designed to filter out microscopic particles.
MAKITA LIMITED ONE YEAR WARRANTY
Warranty Policy
Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of
defects from workmanship and materials for the period of ONE YEAR from the date of original purchase.
Should any trouble develop during this one year period, return the COMPLETE tool, freight prepaid, to one of
Makita’s Factory or Authorized Service Centers. If inspection shows the trouble is caused by defective
workmanship or material, Makita will repair (or at our option, replace) without charge.
This Warranty does not apply where:
• repairs have been made or attempted by others:
• repairs are required because of normal wear and tear:
• the tool has been abused, misused or improperly maintained:
• alterations have been made to the tool.
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES FROM THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER APPLIES BOTH DURING
AND AFTER THE TERM OF THIS WARRANTY.
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF
“MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,” AFTER THE ONE YEAR TERM OF THIS
WARRANTY.
This Warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you. Some states do not allow limitation on how long an implied
warranty lasts, so the above limitation may not apply to you.
Makita Corporation
3-11-8, Sumiyoshi-cho,
Anjo, Aichi 446-8502 Japan
883901B067
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