Makita 9924B User manual

Belt

Sander

Belt

speed

minute

Belt size

(3")

MODEL

9924B

Continuous Power

(Input) cord

rating

length

wFiyhf

INSTRUCTION MANUAL

(3")

(24")

DOUBLE

INSULATION

400

355mm

4.6kg

(14") (10.1

Ibs)

(16.4

Ibs)

850

(1,300 ft.)

Specifications

IMPORTANT

SAFETY INSTRUCTIONS

(For All

Tools)

WARNING:

WHEN USINGELECTRICTOOLS, BASICSAFETY

PRECAUTIONSSHOULDALWAYS BE FOLLOWEDTO REDUCE

THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL

INJURY, INCLUDING THE FOLLOWING:

READ

ALL

INSTRUCTIONS.

IO.

11.

12.

13.

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

CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp

or wet locations. Keep work area well

lit.

Don't expose powertools torain.

Don't use tool in presence of flammable liquids or gases.

KEEP CHILDREN AWAY. All visitors should be kept away from work area.

Don't let visitors contact tool or extension cord.

STORE IDLETOOLS. Whennot inuse,

tools

should be stored

dry, andhigh

or locked-up place

out of reach of children.

DON'T FORCETOOL.

willdo thejob better andsafer atthe ratefor which

was intended.

USE RIGHT TOOL. Don't force small tool or attachment to do the job of a

heavy-duty tool. Don't use tool for purpose not intended.

DRESSPROPERLY. Don't wear looseclothingorjewelry. They canbe caught

moving parts. Rubber gloves and non-skidfootwear are recommended

when working outdoors. Wear protective hair covering tocontain longhair.

USE SAFETY GLASSES. Also useface or dust mask

cuttingoperation is

dusty.

DON'T ABUSE CORD. Never carry toolby cord or yank

todisconnect from

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

SECURE WORK. Use clamps or a vise to hold work. It's safer than using

your hand and

frees both hands to operate tool.

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

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

safer performance. Follow instructions for lubricatingand changing acces-

sories. Inspect toolcords periodicallyand

damaged, haverepairedby autho-

rized service facility. Inspect extension cords periodically and replace if

damaged. Keep handles dry, clean, and free from oil and grease.

DISCONNECTTOOLS. When notinuse, before servicing, and when chang-

ing accessories, such as blades, bits, cutters.

14.

REMOVEADJUSTING KEYS AND WRENCHES. Form habit of checking to

see that keysand adjusting wrenches are removed fromtool before turning

on.

15.

AVOID UNINTENTIONALSTARTING. Don‘t carry plugged-intool withfinger

on switch. Be sure switch is OFF when plugging in.

16.

OUTDOOR USEEXTENSIONCORDS. Whentool is used outdoors, useonly

extension cords intended for use outdoors and

marked.

17.

STAY ALERT. Watch what you are doing, use common sense. Don’t operate

tool when you are tired.

18.

CHECK DAMAGEDPARTS. Before further use of the tool, a guard or other

part that is damaged should be carefully checked to determine that

will

operate properly and performitsintended function. Check for alignment of

moving parts, binding of moving parts, breakage of parts, mounting, and

any other conditions that may affect its operation.

guard or other part

that is damaged should be properly repaired or replaced by an authorized

service center unless otherwise indicated elsewhere in this instruction

manual. Havedefective switches replacedby authorizedservicecenter. Don’t

use tool

switch does not turn

on and off.

19.

GUARD AGAINST ELECTRIC SHOCK. Prevent body contact withgrounded

surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.

20.

REPLACEMENTPARTS. Whenservicing, useonly identicalreplacementparts.

21.

POLARIZEDPLUGS. To reduce the risk of electric shock, this equipment has

a polarized plug (one blade is wider than the other). This plug will fit in a

polarized outlet only one way. If

the

plug does not

fit

fully in the outlet,

reversethe plug.

still does notfit, contactaqualified electriciantoinstall

the proper outlet. Do not change the plug in any way.

VOLTAGE WARNING: Before connectingthe tooltoa power source (receptacle,

outlet, etc.) be sure the voltage supplied is the same as that specified on the

nameplateof the tool. A power source withvoltage greater than that specified

for the tool can result inSERIOUS INJURY to the user

as well as damage to

the tool.

doubt, DO NOT PLUG IN THE TOOL. Using a power source with

voltage

less

than the nameplate rating is harmful to the motor.

SAVE

THESE

INSTRUCTIONS.

How

use

Switch action

To start the tool, simply pull the trigger.

Release

the trigger to stop.

For continuousoperation without having

to keep your finger on the trigger, just

pull the trigger and then push inthe lock

button with your thumb. To stop the

tool from lock position, just pull the

trigger again and release

it.

Mounting belt

With the tool unplugged and the lever

pulled out

all

the way, slip the belt over

the rollers with the arrow direction on

the belt the same

that of tool revolu-

tion (or belt life

shortened).

Belt adjustment

Flip sander over on

its

back and use the

adjustment knob to obtain equal tension

belt over the front and back rollers.

Then plug in sander and switch

on,

using the adjustment knob to center the

belt

runs over the rollers.

Failureto adjust beltproperly over rollers

can result infrayed beltedges.

Lock

button

Starting and stoppingsanding operations

The sander should not be incontactwith

the work surface when you switch the

tool on or off.

Failure to disengage the sander from the

surface when starting or stopping may

cause

poor sanding finish and damage

the belt

well.

Sandingsuggestions

Grip the sander firmly in front and back and move the tool back and forth without

applying any pressure. The mere weight of the tool accomplishes an even sanding job.

Pressing down will only reduce efficiency and wear out the belt faster. For longer belt

life, remove grease

etc.

from surface before operations. At the end of each sanding

stroke, shift sander sideways approximatelyone-half the width of your belt. Keep the

sander

level,

flush with the work, and sand each area for the same amount of time.

Maintenance

Carbon brushes

Replace carbon brushes when they wear

down to about

(1/4")

or spark-

ing will occur. Both brushes should be

changed

the same time.

-I

6mm(';"l

Optional accessories

CAUTION: The accessories specified

this

manual are recommended for use with your Makita

Belt Sander. The use of any other accessory might be hazardous.

Carbon plate

Steel

plate

Part No.

342526-9

CAUTION

Part No.

423028-5

Install the steel plate

that THE

EDGE

THE STEEL PLATE

WILL NOT PROTRUDE

FROM

THE EDGE

THE BASEPLATE

ON THE SIDE WITH THE BELT

NSTA

NG LEVER.

THE

PLATE

ALLOWED TO

PROTRUDE, IT MAY CAUSE

IN-

JURY.

76"(3")

BELT

SANDER

Model

9924B

ITEM NO.

‘E:

DESCRIPTION NO. USED

MACHINE

291

Screw

M5x40 fWith Warhsrl

Belt cover

Poly V-Belt

5-304

V-Pulley

5-25L

Slews

Screw

M4x30

fWith Waherl

Carbon Brush

Brush

Holder

Cap

Motor

Housing

[With Brush

Holder

Screw

M5x8

Cord

Guard

COR0 ASSEMBLY

fArremblsd Cord. Plug

Card Guard1

Strain Relief

Screw

M4x18 (With Washer1

Handle

Cover

Switch

Bolt

M5x45

FIELD ASSEMBLY

fWith Garter Spring

Baffle Plate

Rubber

0811

Bearing

6200LLB

Insulation Washer

ARMATURE ASSEMBLY

IAIrembled Items 21

251

Fan

Ball

Bearing 62WLLB

Rubbar

Pin 4

Motor Cover

Screw

M5x40

(WithWsher)

CupWaher

Tension

Roller

CupWashsr

Tenrion

Roller

Shaft

MACHINE

A.R.

DESCRIPTION

Tension

Roller

Arm

Compression Spring

Driving

Roller

Support Pin

Ed@

Slider

Retaining Ring S-12

Frame

Nme

Plats

Rivet

0-5

Shw

Compresston Spring 16

F.Washer

Screw

M6x25

Screw

M5x12 fWith Washer1

Needle Bearing 810

Helical Gear 10

Ball

Bearing 6200LLB

Gear

Cover

V-PuIIey

5-45

Screw

M4x18 [With Wlahsrl

Rubber

RetainingRing

S-12

T Washer

Helical Gear

Key

Screw

M5x18

Cup Waher 12

Screw

M4x10

fWith Washer1

Screw

M4x10

fWith Washer)

Steel Plate

Cork Rubbar Plate

Base

Plate

MAKITA LIMITEDONE YEAR WARRANTY

Warranty Policy

Every Makita tool is thoroughly inspected and tested before leavingthe 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-yearperiod, retum the COMPLETE

tool, freight prepaid, toone of Makita’s Factory or Authorized ServiceCenters. 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;

alterationshave been made to the tool.

IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CON-

SEQUENTIAL DAMAGES FROM THE SALE

USE OFTHE PRODUCT. THIS DISCLAIMER

APPLIESBOTH DURING AND AFTER THE TERM OFTHIS 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,

the abovelimitation may not apply toyou.

MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED

WARRANTIES OF “MERCHANTABILITY” AND “FITNESS FOR

SPECIFIC PURPOSE,”

AFTER THE ONE-YEARTERM OFTHIS WARRANTY.

Makita Corporation

3-11

-8,

Sumiyoshi-cho,

Anjo, Aichi

446

Japan

8830870067

PRINTED IN JAPAN

1992

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