Makita 6820V User manual

Drywall Screwdriver
Self drilling screw
MODEL 6820V
Variable speedIReversing
weightlength
(RPM)
size
Drywall screw
INSTRUCTION MANUAL
6 mm (114")
DOUBLL
INSULATION
265 mm 1.4 kg
(3
Ibs)
5 mm (3116") 114" Hex 0 - 4,000
SPEC IF I CAT I 0 N S
* Manufacturer reserves the right to change specifications without notice.
Note: Specifications may differ from country to country.

IMPORTANT
SAFETY INSTRUCTIONS
(For All Tools)
WARNING:
WHEN USING ELECTRIC TOOLS, BASIC SAFE-
REDUCE THE RISK OF FIRE, ELECTRIC SHOCK,
AND PER-
TY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO
SONAL INJURY, INCLUDING THE FOLLOWING:
READ ALL INSTRUCTIONS.
1.
2.
3.
4.
5.
6.
7.
8.
9.
IO.
11.
12.
13.
2
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 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
in use, tools should be stored in dry, and high
or locked-up place
- out of reach of children.
DON'T FORCETOOL.
It will dothejob better and safer at the ratefor which
it 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.
DRESS PROPERLY. Don't wear looseclothing orjewelry. They canbecaught
in moving parts. Rubber gloves and non-skid footwear are recommended
when working outdoors. Wear protective hair covering tocontain long hair.
USE SAFETY GLASSES. Also use face or dust mask if cuttingoperation is
dusty.
DON'T ABUSE CORD. Never carry tool by cord or yank
it 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
it 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. Inspecttool cords periodicallyand
if damaged, have repairedbyautho-
rized service facility. Inspect extension cords periodically and replace
if
damaged. Keep handles dry, clean, and free from oil and grease.
DISCONNECTTOOLS. When not inuse, before servicing, and when chang-
ing accessories, such as blades, bits, cutters.

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-intoolwithfinger
on switch. Be sure switch is
OFF when plugging in.
16. OUTDOOR USE EXTENSIONCORDS. When tool is used outdoors, use only
extension cords intended for use outdoors and
so marked.
17. STAY ALERT. Watch what you are doing, use common sense. Don't operate
tool when you are tired.
18. CHECK DAMAGED PARTS. Before further 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, bindingof moving parts, breakageof 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 inthis instruction manual.
Have defective switches replaced by authorized service center. Don't use
tool if switch does not turn
it on and off.
19. GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded
surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.
20. REPLACEMENT PARTS. When servicing, useonly identical replacementparts.
21. POLARIZED PLUGS: 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. If
it still does not fit, contact a qualified electrician to install
the proper outlet.
Do not changethe plug inany way.
VOLTAGE WARNING: Before connecting the tooltoa 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 with voltage greater than that specified
for the tool can result in SERIOUS INJURY to the user
- as well as damage to
the tool. If in doubt, DO NOT PLUG IN THE TOOL. Using a power source with
voltage less than the nameplate rating is harmful to the motor.
3

ADDITIONAL SAFETY RULES
1. Always be sure you have a firm footing.
2. Hold the tool firmly.
Be sure no one is below when using the tool in high locations.
SAVE THESE INSTRUCTIONS.
4

To remove the bit, first pull the stopper
out
of the locator. Then grasp the bitwith
a pair of pliers and pull the bit out of the
I’ $1
Stopper
/-
To install the bit, push the bit firmly into the magnetic bit holder.
stopper by pushing
it firmly intothe locator. Then install the
Depth adjustment
Push the locking
sleeve in toward the
motor and turn slightly clockwise to lock
it.
-+
5

Turn the locator to adjust the depth. Ini- I
tially, adjust the locator so that the tip of
the locator
is flush with the base of the
screw head. One full turn of the locator
equals
1.5 mm (1/16") change in depth.
After adjusting the locator, unlock the
locking
sleeve.
Turn the locking sleeve slightly so that the
protrusions on the locking
sleeve engage
in the notches in the locator. Drive
a trial
screw into your material or
a piece of
I
duplicate material. If the depth is not
suitable for the screw, continue adjusting
until the proper depth setting
is obtained.
-
NOTE :
Before starting your job, always test-drive a sample screw into a pieceof the installation
workpiece
so that you are sure to have the right depth and desired adjustment.
Switch action
Tool speed
is increased by increasingpres-
sure on the trigger.
To start the tool,
simply pull the trigger.
Release the trigger
to stop. For continuous operation, pull the
trigger and then push in the lock button.
To stop the tool from the locked position,
pull the trigger fully, then release
it.
CAUTION :
Before plugging in the tool, always check to see that the trigger switch actuates properly
and returnsto the "OFF" position when released.
NOTE
:
Even with the switch on and motor running, the bitwill not rotate until you fit the point
of the bit in the screw head and apply forward pressure toengage the clutch.
6

Reversingswitch action
This tool has a reversing switch to change
the direction of rotation. Move the revers-
ing switch lever to the "FWD" position for
clockwise rotation or the "REV" position
for counterclockwise.
CAUTION
:
Always check the direction of rotation before operation.
*Use the reversing switch only when the tool comes
to a complete stop. Changing the
direction of rotation before the tool stops may ruin the tool.
Operation
Fit the screw on the point of the bit and
place the point
of thescrew on the surface
of the workpiece to be fastened. Apply
pressure to the tool and start
it. Withdraw
the tool
as soon as the clutch cuts in. Then
release the trigger.
CAUTION
:
Use the proper bitfor the head of the screw that you wish touse.
When fitting the screw onto the pointof the bit, be careful not to push in on the screw.
If the screw
is pushed in, the clutch will engage and the screw will rotate suddenly. This
coulddamage
a workpiece or cause an injury.
Do notcontinue unnecessary clutching operation.
NOTE
:
Make sure that the bit is inserted straight in the screw head, or the screw and/or bitmay
be damaged.
7

MA1NTENANCE
CAUTION :
Always be sure that the tool is switched off and unpluggedbefore attempting to perform
inspectionor maintenance.
To maintain product SAFETY and RELlAB1LITY, repairs, carbon brush inspection and
replacement, any other maintenance or adjustment should be performed
by Makita
Authorized or FactoryService Centers, always using Makita replacementparts.
8

OPTIONALACCESSORIES
The accessories listed inthis manual are availableat an extra cost from your Makita distributor or Makita factory
service center Service centers are listed
on the warrantycard packed withyour tool
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 injuryto persons. The
accessories or attachmentsshould be used only
in theproper and intended manner.
0 (+I Bit 0 Bit holder
Part NO. I ,s;y5
Part NO. 1 Size
Magnetic
784807-9
784615-8
784212-0
78421
I -2 2-25 6.35-60
784213-a 3-25
Non-magnetic
6.35-60
9

DRYWALL SCREWDRIVER
Model 6820V
Note: The switch and other part configurations
may differ from country to country.
10

MODEL 6820V
ITEM NO. DESCRIPTION
NO. USED
Mar-31-'92 US
ITEM NO. DESCRIPTION
NO. USED
- MA(
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
E
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Sponge Washer
11
LOCATORASSEMBLY
Lock
Ring
Compression Spilng 32
Flinger
Gear Housing
Steel Ball 3 5
Spindle
Clutch Cam
Compression Spring 22
Thin Washer 22
Helical
Gear 46
Thrust Needle
Bearing 1023
Woodruff Key 3
Gear Shall
Gear Housing Cover
Motor Housing
Name Plate
Hook
FIELD ASSEMBLY
Flat Washer 14
Ball Bearing 627LB
Rubber Pin
4
Leal spmg
0anie piate
MAC1
26
27
29
30
31
32
33
34
35
36
37
36
39
40
43
44
45
46
47
48
49
50
51
E
1
1
1
1
3
1
2
1
1
1
1
1
3
1
1
2
1
1
1
2
1
3
1
Insulation Washer
ARMATUREASSEMBLY
(With
Item 24 8 26 29)
Ball Bearing 608LB
Flat Washer 14
Pan Head Screw M4~45(With Washell
Rubber Pin 4
Pan Head
Screw M4x55 (With Washer)
Carbon Brush
Pan Head
Screw M4x14 (With Washer)
Label
Dust Cover
Handle
Cover
Pan Head Screw M4x28 (WlmWasher)
Switch
Switch
Pan Head
Screw M4x18 (With Washer)
Strain
Relief
Cord Guard
Cord
Receptacle
Sleeve
0 Ring 22 4
Steel Ball 4
Adjust
Sleeve Cover
Note: The switch and other part specifications may diner from country to country.
11

MAKFA LIMITED ONE YEAR WARRANTY
Warranty Policy
Every Makita tool is thoroughly inspected and tested before leavingthe factory. It is warranted to
be free of defects from worhnanship and materials for the period of ONE YEAR from the date of
original purchase. Should any trouble develop during this one-year period, retum the COMPLETE
tool, freight prepaid,
to one 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 attemptedby others:
repairs are required because of normal wear and tear:
Thetool has been abused, misused or improperly maintained;
a alterations have been made to the tool.
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTALOR CON-
SEQUENTIAL DAMAGES FROM THE SALEOR USE OFTHE PRODUCT. THIS DISCLAIMER
APPLIES BOTH DURING AND AFTER THE TERM OFTHISWARRANTY.
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED
WARRANTIES OF “MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,
AFTER THEONE-YEAR TERM OFTHISWARRANTY.
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 onhow long an implied warranty lasts,
so the above limitation may not apply to you.
MCNRevised 7-92
MakitaCorporation of America
2650 Gainesville Hwy., Buford, GA 30158
883586D994
PRINTED IN USA
1995-5-4D