Makita 6908D Manual

TECHNICAL INFORMATION
For Models
Description
New Tool
CONCEPTION AND MAIN APPLICATIONS
Standard equipment
Optional accessories
Specifications
Motor
Battery
No load speed
Impacts per minute
Max. tightening torque
Capacities
Net weight
DC 9.6V magnet motor
Battery 9122(Ni-Cd, 9.6V, 2.0Ah)
0~2200rpm
0~2800
800kgf.cm (700in.lbs)
M4~M8(5/32"~5/16")
M4~M12(5/32"~1/2")
M5~M10(3/16"~3/8")
22~90mm(7/8"~3-1/2")
M4~M6 x 13~45mm(5/32"~1/4" x 1/2"~1-3/4")
Machine screw
Standard bolt
High tensile bolt
Coarse thread
Self drilling 1.4kg (3.1lbs)
Model Battery(2.0Ah) Fast charger Plastic carrying case
6908DA Battery9122 No No
77mm (3")
232mm (9-1/8")
171mm (6-3/4")
6908DWA Battery9122 DC1410 Yes
Cordless Impact Driver
6908D
This 9.6V cordless impact driver is upgraded version of existing
Model 6903VD and its brief benefits are;
*Faster driving speed
*More number of driving screws from a single charge
*Compact design and good balance
*Lower vibration and lower noise
*Motor is more endurable and longer life.
*Carbon brushes can be replaced without dis-assembling housing.
*New switch has wider area of stroke for variable speed so that
speed control becomes easier.
*Reversing switch button located at the top of the handle so that
user can change direction easily leaving the other hand free.
*Battery 9122(2.0Ah) can be removed easily by pushing buttons.
Phillips Bit 2-65...1pc. Battery Cover...1pc. Set Plate(to use battery without push buttons)...1pc.
Plastic Carrying Case(6908DWA only)...1pc.
The Standard equipment for the tools shown may differ from country to country.
Phillips Bit 2-65, 3-65 Bit Piece 
Socket Bit 7-55, 8-55, 10-55, 10-70, 12-86, 13-55, 14-55, 17-55
Keyless Drill Chuck Drill Chuck
Battery 9100, 9102, 9122, 9102A Fast Charger DC1201, DC1209, DC1410

can be actuated easily leaving
the other hand free
Center height
26mm (1-1/32")
Alunminum
Hammer Case
Push button for reversing
direction of rotation
New variable speed control switch
makes speed control easiest in the world.
Carbon brushes can be replaced
twice till motor is worn out.
More endurable and longer
life motor
*can be removed easily by pushing buttons
*New high capacity battery
*Battery without push buttons can be used with
set plate(standard accessory) .
Battery 9122(2.0Ah)
Features and benefits
See the sheets attached for more information.
Fastest driving speed Most number
of driving screws among the same
class models
Ergonomic design
for easy operation
Lowest vibration and loweast noise
Handle shaped
ergonomically
and well balanced
Length : 171mm(6-3/4")

Repair
Caution
Ring spring Sleeve Groove Steel ball
Anvil
Anvil
Hammer case
Compression spring
Flat washer
Flat washer
Chamfered part
Steel ball
insert entrance
Swelling part Spindle
Cum groove top
Hammer
Gear
(1) How to dismount the housing R and L
Dismount the housing after taking off the hammer case.
(2) How to dismount the bit holder
Bit holder is constructed as illustrated right.
Take off the ring spring, and then bit holder
can be dismounted.
After dismounting of bit holder, the anvil
can be dismounted from the hammer case.
(3) How to mount the flat washer
The flat washer has to be mounted between
hammer case and anvil.
In this case, the chamfered part on the flat washer
has to face the anvil as illustrated right.
(4) How to dismount the hammer
Adjust the open part for steel ball on hammer
with the top of groove on spindle pressing
the hammer with arbor press.
Then the steel ball can be taken off
in order to dismount the hammer.
Please refer to the instruction manual for Model 6908DW.

(5) Fastening of screws
The screws have to be fastened as follows.
Parts to be fastened with screws Fastening Torque
13-18 kg.cm (11-15 in.lbs)
18-22 kg.cm (15-18 in.lbs)
6-10 kg.cm (5-8 in.lbs)
Housing
Hammer case
Motor
Fastening for the hammer case has to be carried out
according to the diagonal order.
Parts Name Existing models
6903V
6911D
6913D
Sleeve
Compression Spring 13
Flat Washer 12
Ring Spring 11
Steel Ball 5.6
Hand Strap
Anvil
Circuit diagram
Interchangeability
6908D Circuit diagram
Spring terminal Switch Direct current motor
Red
Black
M1
M2
T-
T+
The following spare parts have can interchangeability with the existing models.