Makita 3702B User Manual

Tkimmer

1/4”

MODEL

INSTRUCTION MANUAL

3702B

SPECIFICATIONS

Collet

chuck

_~____~__

capacity

14

No

load

(RPMI

28

000

speed

Overall

296

mm

lenqth

11

1

DOUBLE

INSULATION

Net

weight

-

5

8

1

1

6

kg

13

5

lbsl

IMPORTANT

SAFETY INSTRUCTIONS

(For

All Tools)

WARNING:

WHEN USING ELECTRIC TOOLS, BASIC SAFE­TY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO
REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PER­SONAL INJURY, INCLUDING THE FOLLOWING:

READ ALL INSTRUCTIONS.

1.

KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.

2.

CONSIDER WORK AREA ENVIRONMENT. Don’t use power tools in damp
or wet locations. Keep work area well

in

Don’t use tool
KEEP CHILDREN AWAY.

3.

Don’t let visitors contact tool or extension cord.

4.

STORE IDLE TOOLS. When not
or locked-up place - out of reach of children.

DON’T FORCE TOOL.

5.

it

was intended.

USE RIGHT TOOL. Don‘t force small tool or attachment to do the job of a

6.

heavy-duty tool. Don’t use tool for purpose not intended.
DRESS PROPERLY. Don’t wear loose clothing or jewelry. They can be caught

7.

in moving parts. Rubber gloves and non-skid footwear are recommended
when working outdoors. Wear protective hair covering to contain long hair.

USE SAFETY GLASSES. Also use face or dust mask if cutting operation is

8.

dusty.
DON’T ABUSE CORD. Never carry tool by cord or yank

9.

receptacle. Keep cord from heat, oil, and sharp edges.

IO.

SECURE WORK. Use clamps or a vise to hold work. It’s safer than using
your hand and

DON’T OVERREACH. Keep proper footing and balance at all times.

11.

MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and

12.

safer performance. Follow instructions for lubricating and changing acces­sories. Inspect tool cords periodically and if damaged, have repaired by autho­rized service facility. Inspect extension cords periodically and replace if
damaged. Keep handles dry, clean, and free from oil and grease.

DISCONNECT TOOLS. When not

13.

ing accessories, such as blades, bits, cutters.

presence of flammable liquids or gases.

All

visitors should be kept away from work area.

in

It

will

do the job better and safer at the rate for which

it

frees both hands to operate tool.

lit.

Don’t expose power tools to rain.

use, tools should be stored

in

use, before servicing, and when chang-

in

dry, and high

it

to disconnect from

2

14.

REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to
see that keys and adjusting wrenches are removed from tool before turning

it

on.

15.

AVOID UNINTENTIONAL STARTING. Don't carry plugged-in tool
on switch. Be sure switch is

16.

OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only
extension cords intended for use outdoors and

17.

STAY

ALERT.

tool when you are tired.

18.

CHECK DAMAGED PARTS. Before further use
part that is damaged should be carefully checked to determine that
operate properly and perform its intended function. Check for alignment of
moving parts,
other conditions that may affect its operation. A guard or other part that
is damaged should be properly repaired or replaced
ice center unless otherwise indicated elsewhere
Have defective switches replaced by authorized service center. Don't use
tool if switch does not turn

19.

GUARD AGAINST ELECTRIC SHOCK. Prevent body contact
surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.

20.

REPLACEMENT PARTS. When servicing, use only identical replacement parts.

VOLTAGE WARNING: Before connecting the tool to a power source (receptacle,
outlet, etc.) be sure the voltage supplied is the same as that specified on the

nameplate of the tool. A power source
for the tool can result in SERIOUS INJURY to the user
the tool. If
voltage less than the nameplate rating is harmful to the motor.

in

Watch

binding

doubt,

what

of moving parts, breakage of parts, mounting, and any

DO

NOT PLUG IN THE TOOL. Using a power source with

OFF

when plugging

you

are doing, use common sense. Don't operate

it

on and off.

with

voltage greater than that specified

in.

so

marked.

of

the tool, a guard or other

by

an authorized serv-

in

this instruction manual.

-

as well as damage to

with

with

finger

it

grounded

will

3

ADDITIONAL SAFETY RULES

1.

Wear hearing protection during extended periods of operation.

2.

Handle the bits very carefully.

3.

Check the bit carefully for cracks or damage before operation.
Replace cracked or damaged bit immediately.

4.

Avoid cutting nails. Inspect for and remove all nails from the workpiece
before operation.

5.

Hold the tool firmly.

6.

Keep hands away from rotating parts.

7.

Make sure the
on.

8.

Before using the tool on an actual workpiece, let
Watch for vibration or wobbling that could indicate improperly installed bit.

9.

Be careful of the bit rotating direction and the feed direction.

IO.

Do not leave the tool running. Operate the tool only when hand-held.

11.

Always switch off and wait for the bit to come to a complete stop before
removing the tool from workpiece.

12.

Do not touch the
and could burn your skin.

13.

Don't smear the tool base carelessly with thinner, gasoline, oil or the like.
They may cause cracks

bit

is not contacting the workpiece before the switch is turned

it

run for a while.

bit

immediately after operation;

in

the tool base.

it

may be extremely hot

SAVE

4

THESE INSTRUCTIONS.

Installing or removing trimmer bit

CAUTION

Always be sure that the tool

:

is

switched off and unplugged before installing or removing

the bit.

all

Insert the bit

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

0

Do

0

Use only the wrenches provided with the tool.

:

not tighten the collet nut without inserting a bit, or the collet cone will break.

Adjusting bit protrusion

To

adjust the bit protrusion, loosen the

clamp screw and move the tool base up or

as

down

desired. After adjusting, tighten

the clamp screw firmly to secure the tool

base. On the tool base, there are two sight

windows through which you can read

a

graduation on the scale label. Select a sight
window convenient for your work and
align the scale label with the selected sight
window.

installing trimmer shoe (after it has been removed from the tool)

NOTE

:

The trimmer shoe

Use the bolts, wing nuts, spring washers

and flat washers to install the trimmer shoe

as

shown

at

right.

is

factory installed on the tool.

Wing

nut

______~~

Trimmer

~~

shoe

5

Adjusting angle of tool base

Loosen the wing bolts and adjust the angle

of

the tool base

(5'

per graduation) to

obtain the desired cutting angle.

-

Gradual

__

Wing nut

Wing bolt

~___

Base

It

of

ring

Adjusting amount of chamfering

To adjust the amount of chamfering, loosen the wing nuts and adjust the trimmer shoe.

CAUTION

With the tool unplugged and switch in the

:

"OFF"

position, rotate the collet nut on the
tool several times to be sure that the bit turns freely and does not contact the tool base
or trimmer shoe in any way.

Switch action

To start the tool, move the switch
to the
switch lever to the

"ON"

position.

"OFF"

To

stop, move the

position.

lever

Operation

Turn the tool on without the bit making
any contact with the workpiece and wait
until the bit attains full speed. Then move
the tool over the workpiece surface, keep­ing the tool base and trimmer shoe flush

of

with the sides

the workpiece.

6

When doing edge cutting, the workpiece surface should be on the left side
the feed direction.

(See

the figure below)

Feed direction

Feed direction

Bit revolving
direction

of

the bit in

NOTE

(View from the top of the tool)

Correct bit feed

:

2w

direction

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

rate

feed
beginning the cut on the actual workpiece, it
piece of scrap lumber. This will show exactly how the cut will look

will depend on the bit size, the kind of workpiece and depth of cut. Before

is

advisable to make a sample cut on

as

well

as

enable

you to check dimensions.
When using the trimmer shoe, the straight guide or the trimmer guide, be sure to keep

on the right side in the feed direction. This will help to keep it flush with the side of the
workpiece.

Bit revolving direction

Workpiece

Feed direction

Trimmer shoe,
straight guide or
trimmer guide

a

it

I

CAUTION

:

Since excessive cutting may cause overload of the motor or difficulty in controlling the

3

mm

(1/8")

at

a

tool, the depth of cut should not be more than
grooves. When you wish to cut grooves more than 3 mm

(1/8")

pass when cutting

deep, make several passes

with progressively deeper bit settings.

Straight guide

The straight guide

straight cuts when chamfering or grooving.

Attach the guide plate to the straight guide
with the bolt, the wave washer, the flat
washer and the wing nut.

is

effectively used for

Flat washer

Wave

I

washer

U

Loosen the wing bolts and secure the tool
base horizontally. Attach the straight guide
with the clamp screw (A). Loosen the wing
nut on the straight guide and adjust the
distance between the bit and the straight
guide. At the desired distance, tighten the
wing nut securely.

When cutting, move the tool with the straight guide flush with the side of the workpiece.

8

Circular
0Circular work may be accomplished if you assemble the straight guide and guide plate

0

(Note)
Circles between 172 mm (6-3/4") and 186 mm (7-5/16") in radius cannot be cut using
this guide.

work

as

shown in the figure below.

Min. and max. radius
center

of

bit) are
Min. : 70 mm (2-3/4")
Max.

:

221 mm (8-11/16")

as

follows

of

circles to be cut (distance between the center

:

Wave washer

of

circle and the

Wing nut

Flat washer

Bolt

__

For cutting circles between 70 mm (2-3/4")

and 121 mm (4-3/4") in radius.

Align the center hole in the straight guide

with the center

Drive a nail

diameter into the center hole to secure the
straight guide. Pivot the tool around the
nail in clockwise direction.

of

the circle to be cut.

less

than 6 mm (1/4") in

:

IV

I

For cutting circles between 121

and 221 mm (8-1 1/16") in radius.

i_

Flat washer
Center

hole

Guide plate

Straight guide

Bo1

~

mm

(4-3/4")

Straight guide

t

9

Trimmer

guide

Trimming, curved cuts for furniture and the
like can be done easily with the trimmer
guide. The guide roller rides the curve and

a

assures

fine cut.

Loosen the wing bolts and secure the tool
base horizontally. Install the trimmer guide
on the tool base with the clamp screw

Loosen the clamp screw

(6)

and adjust the

(A).

distance between the bit and the trimmer

(1

guide by turning the adjusting screw

3/64"

or about

per turn). At the desired

distance, tighten the clamp screw

mm

(6)

to

secure the trimmer guide in place.

When cutting, move the tool with the guide

of

roller riding the side

10

the workpiece.

Clamp

screw

(6)

,

I

Templet

The templet guide provides

guide

a

sleeve

through
which the bit passes, allowing use of the
trimmer with templet patterns.

Remove the tool base from the tool.
Loosen the wing bolts and secure the tool
base horizontally. Loosen the two screws
on the tool base.

Place the templet guide on the tool base.
There are four convex portions on the tem­plet guide. Secure two of the four convex
portions using the two screws. Install the
tool base on the tool.

Base

I

J

Convex

portions

11

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.

I

Straight

bit

Base

I.

I

Templet guide

r

I

\

NOTE

:

The workpiece will be cut a slightly different
tance

(X)

between the router bit and the outside of the templet guide. The distance

can be calculated
Distance

(X)

by

using the following equation

=

outside diameter of the templet guide - router bit diameter

2

Distance

L

size

:

(X)

Workpiece

10

(25/64")

from the templet. Allow

mm

for

the dis-

(X)

12

MAINTENANCE

CAUTION
Always be sure that the tool
inspection or maintenance.

:

is

switched off and unplugged before attempting

to

perform

Replacing carbon brushes

Remove and check the carbon brushes
regularly. Replace when they wear down to
the limit mark. Keep the carbon brushes

clean

and free
carbon brushes should be replaced
same time. Use only Makita carbon brushes.

a

Use
holder caps. Take out the worn carbon
brushes, insert the new ones and secure the
brush holder caps.

screwdriver to remove the brush

to

slip in

the

holders. Both

at

the

I

To

maintain product SAFETY and RELIABILITY, repairs, any other maintenance or
adjustment should be performed by Makita Authorized or Factory Service Centers,
always using Makita replacement parts.

13

ACCESS0 R I

CAUTION
These accessories or attachments are recommended for use with your Makita tool specified in this
manual. The use
The accessories or attachments should be used only in the proper and intended manner.

0

Straight guide
Part

No.

0

Collet cone
Part No. 763608-8

0

Wrench

Part

No.

:

assembly

122391-0

1/4”

10

781003-0

ES

of

any other accessories

or

attachments might present a risk

0

Templet

Part No. 343577-5

0

Wrench
Part No. 781008-0

guide

17

of

injury

to

persons.

14

Bits

STRAIGHT

-Single

Flute

@

HIGH

SPEED STEEL

NO.

PART

733232-6A 118 5/16 1-1

A

E

C

18

D

114 1-518

E

STRAIGHT

HINGE MORTISING

VEINING

-

2

Flute

-Single

Flute

CARBIDE TIPPED

PART NO

733003-2A 3/16
733003-4A 114 314 1-3116 114 2-118

733003-EA 5/16

HIGH

SPEED STEEL (STRAIGHT - 2

PART NO A
733233-4A 5/16

CARBIDE TIPPED

PART

NO.

733006-9A 112 112 1-1/16 114 1-1 3/16

A

A

E

7116 1 318 1 I4 2

1 1-1

Flute1

E

7/E

E

C D E

18

C

1-3/16 114 2-1

C

114 2-3/16

D

D

E

18

E

SOLID CARBIDE

PART NO. A

733007-8A 3116 7/32

E

C

1-1 14 114 1-1

D

E

12

15

ROUND

NOSE

-I&

CORE

BOX

4DC

f

I

&,

A/-

-J

VEE GROOVING

IDk

CARBIDE TIPPED

PART

NO.

733008-2A 114 15132 1-1 I4 1 /4 1-718
733008-4A 318 9/16

HIGH

SPEED STEEL

NO.

PART
73323a-2~ 114 1 /4

A

A E

a

C

1-114 1 I4

C D E

1-3/16 114 1-1

D E

2

12

14"

16

DOVE

-bc

TAIL

CARBIDE TIPPED

NO.

PART

733009-2A

CARBIDE TIPPED

NO. A

PART
733009-6A

A B C

318 112 1-3/16

8

1

/2

1

/2

D

1/4 2 90"

C

1.114 114 1-718

E 8

D

E

PANEL PILOT

HIGH

SPEED STEEL

PART NO. A

733236-0A 114 314

B

C
1 114 2-7116

D

E

CORNER ROUNDING

BEADING

JnL

/

n7

COVE

CARBIDE TIPPED - Ball Bearing Pilot

733120 OA 7/8 112 318 1 114 114 115116 3/16

20

2A 112 1 114 114 114

7331

REPLACEMENT BEARING

-Solid

HIGH SPEED STEEL

PARTNO A, A2

733240 2A
733240 6A

CARBIDE TIPPED - Ball Bearinq Pilot

PARTNO A,

733121-4A
733121-6A 1

CARBIDE TIPPED - Ball Bearing Pilot

11/16 3/16
15/16 3116

Pilot

A2

112 318

718

112 318

REPLACEMENT BEARING

Aj

B

112
518

-

NO 733132 4A

C
1 114

1

C

6

318 1-114
1/2 1 114

-

NO 733132 2A

D

E

1 314 114

114

1

718 318

E

D

114 1-15/16 3/16

114

2 114

R

R

733122 6A 718 318 318 114 1 518

-

B

NO 733132 2A

C

D

1

1

114 2 1132 318

E R

REPLACEMENT BEARING

-

Solid

HIGH SPEED STEEL

PARTNO AI A2

733242 6A 11/16 3/16 112 114 1 314 114
733242 8A 15/16 3/16 314

Pilot

17

ROMAN OGEE

FLUSH TRIMMER -Self Piloting

7"

BEVEL TRIMMER - Self-Piloting

CARBIDE TIPPED - Ball Bearing Pilot

I

PARTNO.

733123-2A 1 3/8 15/32 1-1/4 1/4

SOLID CARBIDE

PART NO.

7331 28-OA

AI

A?

REPLACEMENT BEARING

A

1 /4 1 I4 1-1/16 114 1-9/16

B

C

-

NO, 733132-2A

B

C

0

E

RI

5132

I

D

E

2

FLUTE FLUSH TRIMMER

i?t

18

SOLID

CARBIDE

PART NO.

733128-2A

CARBIDE TIPPED

PART NO. A

7331 28-8A 3/8 1
7331 28-9A 112 112 1-1/4 1 I4 2-1/16

733129-0A

A B C

3/16

1

/2

318'' REPLACEMENT BEARING
112" REPLACEMENT BEARING -NO. 7331324A

1 /4 1-1/16 1 /4 1-9/16

B

1

C

1-1/4 1 /4 2-1/16

1-1/4 1 I4 2-51a

-

D

D

NO. 733132-2A

E

E

COMB1 NATION F LUSH/2Z0 BEVEL TRIMMER

SDC

CARBIDE TIPPED

733128-6A 7/16 112 3/16 1-1/4 1/4 1-314

3

FLUTE FLUSH TRIMMER ASSEMBLY -Self Piloting

-I

uc

SOLID CARBIDE CUTTER

I

PARTNO. A B C D E

733129-2A

REPLACEMENT BEARING ~

3

FLUTE

22"

BEVEL

TRIMMER

ASSEMBLY

-self Piloting

-I[+

518

3/8 1-114 114

NO.

733132-6A

2-318

SOLID CARBIDE CUTTER

PARTNO. A, A7 B

Jmv

3FLUTE FLUSHREPLACEMENTCUTTER

I

733129-4A 718

SOLID CARBIDE

I

PARTNO A B

7331 29-6A 518 318 114

C

5/8

REPLACEMENT BEARING ~ NO 733132-6A

FOR FLUSH TRIMMER ASSEMBLY NO. 733129-2A

3/8 1-114 114 2-318

D

E

I

I

D

I

19

3

FLUTE

22"

BEVEL REPLACEMENT CUTTER

LA4

114"

REPLACEMENT ARBOR

BALL BEARING PILOT

SOLID CARBIDE

I

PARTNO. A B

733129-8A 718 3/8 1 /4

FOR

PART

NO

733131,2A

BEVEL TRIMMER ASSEMBLY

A B

5/8 3/8 1-114 1 /4

FOR FLUSH TRIMMER ASSEMBLY

AND

NO

733129-4A

C

NO,

733129-4A

NO

733129-2A

D

D

I

E

2

318

20

PART

NO.

7331 32-2A 3/8
733132-4A 1/2
733132-6A 5/8

Dl

O.D.

0.D

O.D.

1/8
3/16
114

Dz

I.D.

I.D.

I.D.

114”

TRIMMER

Model

3702B

Apr

06 ‘89

US

Note The switch, noise suppressor and other part conflguratlons

may differ from country to country

MODEL 37028

;:,

MACHINE

~

1

1

1

2

2

3

4

2
1

6

7

1

8

1
1

9

1

10
11

2

12

1

13

1

14

1
1

15

1

16

17

1
1

18

2

19

2

20

1

21

2

22

1

23

-

Note

The switch

DESCRIPTION

Hex

NulM12

Motor

Rear

Housing

Carbon

Brush

Brush

Holder

Switch
FIELD ASSEMBLY
Ball Bearing 627LB

Insulation

Rubber

Hex

ARMATURE ASSEMBLY
IWith
Fan

Rubber

Ball

Wave Washer 23

Collef

Collet Cone 6 mm

Pan

Pan
Motor

Pan
Strain

and

Cap

Washer

Pin

4

Bo11

M4x70 lWiIh Washerl

lfem

8

9

52

Pin

6

Bearing

6002LLB

Nut

6

Head

Screw

Head

Screw

Housing

Head

Screw

Relief

other

part specifications

12 13 & 151

M4x25 IWith Washer1
M4xl8 IWith Washerl

M4x18 IWith Washer1

may

differ from

country

'k,'o"

24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

to

country

,".,

DESCRIPTION

1

Cord

1

Cord Guard

1

Name

2

Rivet

1

Hex

Nut M5

2

Pan

Head

1

TRIMMER BASE ASSEMBLY

2

Wing Nut M5

2

Spring

2

Flat

Washer

1

Screw

1

Spring

1

Flat

Washer

1

Flat

Washer

1

Screw

2

Wing

2

Spring Washer

2

Flat Washer

1

Trimmer Shoe

2

Flat

Washer

2

Cap

Square Neck

separator

1

Plate

0 5

Washer

M6x18
Washer6

M5x30

Bolt

Screw

M5x15

M4x10 IWith Washerl

5

5

6

5

5

5

8

Bolt M5x25

Apr 04

'89

US

22

MAKITA LIMITED ONE YEAR WARRANTY

Warranty

Every Makita tool
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
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:

8

repairs have been made or attempted by others:

repairs are required because of
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
SEQUENTIAL DAMAGES FROM THE SALE
APPLIES BOTH DURING AND AFTER THE TERM

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,
limitation

IS

thoroughly inspected and tested before leaving the factory. It

one

of Makita’s Factory or Authorized Service Centers. If inspection shows

normal

wear and tear:

so

the above limitation or exclusion may not apply to you. Some states do not allow

on

how

long

an implied warranty lasts,

Policy

OR

USE

OF

THE PRODUCT. THIS DISCLAIMER

OF

THIS WARRANTY.

so

the above limitation may not apply to you.

IS

warranted to

OR

CON-

Makita Corporation

3-11

-8,

Sumiyoshi-cho,

Anjo, Aichi

446

Japan

883678A064

PRINTED IN JAPAN

1991

-

11

-

N