Makita 6821 User manual

Drywall

Screwdriver

Capacities

Self drilling screw Drywall screw

(3116")

(114")

MODEL

6821

Variable speed

Reversing

Bit

shank

Size

No load

speed

Overall Net

(RPM)

length weight

273

1.3

4r000

(10-314")

(2.9

lbsl

114"

Hex

INSTRUCTION MANUAL

DOUBLE

LATlO

SPEC

CAT10

RTANT

SAFETY INSTRUCTIONS

(For

All

Tools)

WARNING:

WHEN USING ELECTRICTOOLS, BASICSAFETY

PRECAUTIONS SHOULD ALWAYS

FOLLOWED

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

damp

or wet locations. Keep work area well

lit.

Don't expose power tools 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. When not

use, tools should bestored

dry, and

high

or locked-up place

out of reach of children.

DON'T FORCE TOOL.

will dothejob better and safer 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 usetool for purpose notintended; for example, don't

use circular saw for cutting tree limbs or logs.

DRESS PROPERLY. Don't wear loose clothing orjewelry. They can becaught

in moving parts. Rubber gloves and non-skid footwear are recommended

when working outdoors. Wear protective hair covering to contain longhair.

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

dusty.

DON'T ABUSE CORD. Never carry tool by 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 lubricating and changing acces-

sories. Inspect tool cords periodicallyand if damaged, have repairedby autho-

rized service facility. Inspect extension cords periodically and replace

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

DISCONNECTTOOLS. When not

use, before servicing, and when chang-

ing accessories, such as blades, bits, cutters.

14.

REMOVE ADJUSTING KEYS AND WRENCHES. Form habit

checking to

see that keys and adjusting wrenches are removed from tool before turning

on.

15. AVOID UNINTENTIONALSTARTING. Don't carry toolwithfinger onswitch.

Be sure switch is

OFF

when plugging in.

16.

EXTENSION CORDS. Make sure your extension cord is

good condition.

When using an extension cord, be sure to use one heavy enough to carry

the

current

your product will draw.

undersized cord will cause a drop

inlinevoltage resultingin

loss

of power and overheating. Table

shows the

correct size touse depending oncordlengthand nameplate ampere rating.

doubt, use the next heavier gage. The smaller the gage number, the

heavier the cord.

TABLE

MINIMUM

GAGE

FOR

CORD

SETS

Total

Length

Cord

Feet

18 16 14

16 16 14 12

14 12

Not

Recommended

18 16

100

101

150

Ampere

Rating

Not

Than

AWG

17.

OUTDOOR USEEXTENSION CORDS.When toolisused outdoors, use only

extension cords intended for use outdoors and

marked.

18.

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

tool when you are tired.

19.

CHECK DAMAGED PARTS. 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 perform itsintended function. Check for alignment of

moving parts, bindingof movingparts, breakage

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 by an authorized serv-

ice center unless otherwise indicated elsewhere

this instruction manual.

Have defective switches replaced by authorized service center. Don't use

tool

switch does not turn

on and off.

20.

GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded

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

21. REPLACEMENT PARTS. When servicing, useonly identicalreplacement parts.

22.

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

polarized outlet only one way. If the plug does not

fit

fully

the outlet,

reversethe plug. If

stilldoes not

fit,

contacta qualified electriciantoinstall

the proper outlet. Do not change

the

plug in any way.

VOLTAGE WARNING: Before connecting the tooltoa powersource (receptacle,

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

nameplate of the tool. A power source

with

voltage greater than that specified

for the tool can result

SERIOUS INJURY tothe user

as well as damage to

the tool. If in doubt,

NOT PLUG IN THE TOOL. Using a power source

with

voltage less than the nameplate rating is harmful to the motor.

ADDITIONAL SAFETY RULES

Always be sure you have a firm footing.

Hold the tool firmly.

Keep hands away from rotating parts.

When driving into walls, floors or wherever "live" electrical wires may be

encountered.

NOT TOUCH ANY METAL PARTS

THE TOOL!

Hold the tool by the insulated grasping surfaces to prevent electric shock

you drive into a "live" wire.

nottouchthe bitor the workpiece immediately after operation; they may

be extremely hot and could burn your skin.

Be sure no one is below when using the tool

high locations.

SAVE THESE INSTRUCTIONS.

Removing

installing

bit

CAUTION

Always be sure that the tool is switched

off

and unplugged before removing or installing

the bit.

Pull

the locator out

the locking sleeve while turning the locator slightly.Then grasp the

bit with

pair

pliers and pull the bit out

the magnetic

bit

holder. Sometimes, it helps

wiggle the bit with the pliers

you pull.

install a bit, push the bit firmly into the magnetic bit holder. Then install the locator

pushing it firmly onto the lockingsleeve while turning the locator slightly.

Locator

Locking sleeve

Bit

Magnetic bit holder

Depth adjustment

Adjust the locator by turning the locking

sleeve. One

full

turn

the locking sleeve

movesthe locator

(3/32”).

Locator

Locking sleeve

Initially, adjust the locator

that the tip of the locator

flush with the base

the screw

head. Drive

trial screw into your material or a piece

duplicate material.

the depth is

not suitable for the screw, continue adjusting until the proper depth setting

obtained.

:I-

Switch action

speed is increased by increasing pres-

To start the tool, simply pull the trigger.

sure on the trigger. Release the trigger to

stop.

For continuous operation, pull the trigger

and then push in the lock button.

stop

the tool from the locked position, pull the

trigger fully, then releaseit.

CAUTION:

Before plugging inthe tool, always check to see that the switch trigger actuates properly

and returnsto the "OFF" position when released.

Reversing switch action

This tool has

reversing switch to change

the direction of rotation. Move the revers-

ing switch lever to the

"+"

position

for

clockwise rotation or the

"a"

position for

counterclockwise rotation.

Reversing Clockwise

switch lever

rotation

Counterclockwise

rotation

CAUTION:

.Always check the direction

rotation before operation.

*Use the reversing switch only after the tool comes to

complete stop. Changing the

direction of rotation before the

tool

stops may damage the tool

Operation

Fit the screw on the point of the bit and

place the point of the screw on the surface

the workpiece to be fastened. Apply

pressure to the tool and start it.Withdraw

the tool as soon as the clutch cuts in.Then

releasethe trigger.

CAUTION:

*When fitting the screw onto the point

the bit, becareful not

push in on the screw.

the screw is pushed in, the clutch will engage and the screw will rotate suddenly. This

could damage aworkpiece or cause an injury.

*Make sure that the bit

insertedstraight in the screw head, or the screw and/or bit may

bedamaged.

*Do

not continue unnecessaryclutching operation

MAINTENANCE

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, maintenanceor adjustment should

be performed by Makita Authorized or Factory Service Centers, always using Makita

replacement parts.

OPTIONAL

ACCESSORIES

The accessories listed in this manual are available at an extra cost from your Makita distributor

Makitafactory service center.Service centers are listed on the warranty card packedwith your

tool.

CAUTION:

These accessoriesor attachments are recommended for use with your Makita tool specified in this

manual. The use of any other accessories or attachments might present

risk

injury to persons.

The accessoriesor attachments should be used only in the properand intended manner.

1-25

.Phillips

insert bit

(3per pkg.)

798313-8

Si7e

Part

2-25

79831

2-0

*Magnetic

bit

holder

Part

No.

784807-9

3-25 79831

4-6

Jan

--25-'96

DRYWALL SCREWDRIVER

Model

6821

Note: The switch, noise suppressor and other part configurations

may differ from country to country.

MODEL

6821

Jan.-25--'96

'i\M

$.&

DESCRIPTION

':OM

$tD

DESCRIPTION

MACHINE

Note

The

Switch

Locator Complete 114"

Ring 22

Lock Ring

Dust

Seal

Plane Bearing

Ring

Sleel

Ball

Spindle

Compression Spring

PI"

Helical Gear 46

Pln

Thrust Needle Bearing

821

Bearing Box

Leaf Spring

Ball Bearing 608LB

Armature

and other part specifications may

~~~~

Ball Bearing 627LB

Field

Leaf Spring

Pan Head Screw 4x20 (WithWasher)

Name Plate

Housing Set (With Item 29)

Cord

Switch

Carbon Brush

Brush Holder

Housing Set (With Item 24)

Makita Label

differ fromcountry to country

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