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T ECHNICAL INFORMATION
Models No. TW0200
PRODUCT
P 1 / 13
W
Description Impact Wrench L
CONCEPTION AND MAIN APPLICATIONS
The advanced version of the existing model 6904VH has been
released with the following features.
* Aluminum hammer case with high durability
* Compact body size ; 251mm (9-7/8")
* Ergonomical palm fitting soft grip
H

Dimensions : mm ( " )
Length ( L ) 251 (9-7/8)
Width ( W ) 72 (2-13/16)
Height ( H ) 220 (8-5/8)

Specification
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Max. Output(W)
Input Output
110 3.6 50 / 60 380 160 300
120 3.3 50 / 60 380 160 300
220 1.8 50 / 60 380 160 300
230 1.7 50 / 60 380 160 300
240 1.7 50 / 60 380 160 300

No load speed (min-1=rpm) 0 - 2,200
Impact per minute (min-1=bpm) 0 - 2,200
Square drive : mm ( " ) 12.7 (1/2)
Standard bolt M10 - M16 (3/8" - 5/8" )
Capacities
High Tensile bolt M10 - M12 (3/8" - 1/2" )
Max. fastening torque : N.m (ft.lbs) 200 (150)
2.5 (8.2)
Power supply cord : m ( ft )
2.0 (6.6) for Australia
Net weight: kg (lbs) 2.1 (4.6)

Standard equipment
* Socket 17-38 .................................... 1 pc.
* Socket 19-52 .................................... 1 pc.
* Socket 21-38 .................................... 1 pc.
* Plastic carrying case ........................ 1 pc.
< Note > The standard equipment for the tool shown may differ from country to country.
Optional accessories
* Socket 17-38 * Socket 24-45
* Socket 17-52 * Socket 24-52
* Socket 19-38 * Socket 26-50
* Socket 19-52 * Socket 26-78
* Socket 19-78 * Extension bar
* Socket 21-38 * Universal joint
* Socket 21-52 * Bit adaptor
* Socket 21-78
* Socket 21-150
* Socket 22-38
* Socket 22-52
* Socket 23-38
* Socket 23-52
Features and benefits P 2 / 13

TW0200

Compact body : 251 mm (9-7/8")
Aluminum hammer case
with high durability
Cylinder-formed housing
with high rigidity and durability

12.7mm (1/2") Externally accessible
square drive carbon brush for easy
replacement
Variable switch ;
Easy to operate even when
fastening lag bolt. Palm-fitting soft grip
Push button type
reverse switch

Carry hook

Comparison of products

Model No. MAKITA Competitor A
Specifications TW0200 6904VH Model A
Max. fastening torque 200 196 196
: N.m (ft.lbs) in catalog (150) (145) (145)
Square drive : mm 12.7 12.7 12.7
(") (1/2) (1/2) (1/2)

Power input : W 380 360 360

Rated amperage
3.3 4.6
for North America : A
No load High 0 - 2,400 0 - 2,400
0 - 2,200
speed :min-1=rpm Low 0 - 2,100 0 - 1,900
Impact per High 0 - 3,000 0 - 3,000
0 - 2,200
minute :min-1=bpm Low 0 - 2,500 0 - 2,300
Plastic
Material of hammer case Aluminum Aluminum
Clam shell type
Externally accessible brush Yes No Yes
Soft grip Yes No No
Electric brake No No No
Overall length: mm 251 265 264
(") (9-7/8) (10-3/8) (10-3/8)
Net weight: kg (lbs) 2.1 (4.6) 1.8 (4.0) 2.1 (4.6)
Comparison of products P 3 / 13

Fastening high tensile bolt M16
< Note >
The definition of the max. fastening torque according to MAKITA standard ;
The figure which is measured at 3 seconds after start of driving, is the max. fastening
torque in catalog.
The max. fastening torque of TW0200 is based on the same definition.

300
MAKITA TW0200
MAKITA 6904VH
250
Competitor A Model A
Torque (N.m)

200

150

100

0
0 1 2 3 4 5
Time : S.
Repair P 4 / 13
< 1 > Lubrication
Apply MAKITA grease N. No.1 to the following portions marked with black triangle to protect
parts and product from unusual abrasion.

Hammer 10 14 17 20
2 7
13

Cup
9
washer 19
Compression
spring 32

Position No. Descriptions The portion to be lubricated Amount : g (oz)

2 Cylindric portion where Approx. 0.1 (0.01)
Hammer case
7 anvil reciprocates.
* The hole portion where 17 spindle
7 Anvil contacts. Approx. 0.5 (0.02)
* The portion where hammer
contacts.
31 pcs. of
9
Steel balls 3.5 Approx. 0.5 (0.02)
* The side where 9 steel balls 3.5 in total
10 Flat washer 32
contact.
2 pcs. of
13 Approx. 0.5 (0.02)
Steel balls 6.4
14 2 cps. of Spur
Approx. 2.0 (0.07)
gears 32 Teeth portion
in total
20 Internal gear 71
* The groove portion where 13 steel
Spindle balls 6.4 move. Approx. 0.5 (0.02)
17
* The hole portion where armature
gear is inserted.
Repair P 5 / 13
< 2 > Removing armature
( 1 ) After removing brush holder cap and carbon brushes, remove bumper with a slotted head screwdriver. See Fig. 1.
( 2 ) Unscrew 4 pcs. of hex socket head bolts M5x50 together with urethane rings and cup washers each 4 pcs.
Then, hammer case section can be removed from motor housing together with armature. See Fig. 2.

Brush holder cap Hex socket head bolts M5x50 5
Bumper Carbon brush Urethane rings 5
Armature Cup washers 5

Brush holder cap Hammer case Motor housing
Carbon brush Internal gear cover

Hammer case
section

Fig. 1 Fig. 2

( 3 ) Do not separate internal gear cover from hammer case, because the grease leaks out, or inner parts can fall off
the hammer case. Then, holding hammer case together with internal gear cover, pull off the armature
as illustrated in Fig. 3.

Armature

Hammer caseInternal gear cover

Fig. 3

< 3 > Disassembling mechanical section
( 1 ) Separate internal gear cover from hammer case. Take off the following parts from hammer case. See Fig. 4.
* Flat washer 19 * Internal gear 71
* Anvil * O ring 58
* Hammer section
Remove O ring 12 from internal gear case.

Flat washer 19 Hammer section Internal gear cover
O ring 58

Anvil

Anvil
O ring 12
Hammer case Internal gear 71

* Flat washer 19 can remain in hammer case.
* Inner parts can be removed from hammer case
by hand. However, if it is difficult to remove by
hand, strike anvil with plastic hammer. See Fig. 4A. Fig. 4A

Fig. 4
Repair P 6 / 13
< 4 > Assembling mechanical section
Before assembling, apply MAKITA grease N. No.1 with referring to "< 1 > Lubrication" at page 4.

1. Mount O ring 58 to internal gear cover. Aligning the tabs of internal gear with the accepting holes of
internal gear cover, mount internal gear 71 to internal gear cover. See Fig. 5.

Align these Tabs with the
accepting holes of internal
gear cover.

Internal gear 71 O ring 58 Internal gear cover

Fig. 5

2. Mount hammer section with engaging spur gears 32 with internal gear 71. see Fig. 6.

Spur gears 32 Internal gear 71
Internal gear cover

Fig. 6
Hammer section

3. Mount flat washer 19 and anvil to hammer case. And mount hammer section, internal gear 71 and internal
gear cover to hammer case. Mount O ring 12 to internal gear cover. See Fig. 7.

Internal gear cover O ring 12
Internal gear 71
Hammer section

Anvil

Flat washer 19 : This part can remain
in hammer case, when
disassembling the mechanical
Hammer case section.

Fig. 7

< 5 > Disassembling hammer section
1. Remove flat washer 18 and 2 pcs. of pin 6 from spindle. Then, 2 pcs. of spur gear 32 can be removed. See Fig. 8.

Flat washer 18
Pin 6
Pin 6 Spur gear 32

Spur gear 32 Spindle

Hammer
Fig. 8
Repair P 7 / 13
2. Pull hammer toward spur 32 side with "No.1R045 Gear extractor", and in order to take out steel ball 6.4
align the top of cam groove of spindle with the opening portion of hammer. See Fig. 9.

No.1R045
Gear extractor

Steel ball 6.4
The top of cam groove
and
The opening portion of hammer
Fig. 9

3. Loosen the handle of "No.1R045 Gear extractor" slowly until the spindle is free from the compression spring 32.
See Fig. 10. Then, the hammer section can be disassembled as illustrated in Fig. 11. And then, 31 pcs.of steel ball 3.5
and flat washer 21 can be removed from hammer as illustrated in Fig. 11A.

Spindle 31 pcs. of steel
balls 5.5
Cup washer 19

Compression Flat washer 21
Hammer
spring 32
Hammer Fig. 11A

Spindle 31 pcs. of steel ball 3.5
and flat washer 21 remain
Fig. 10 in hammer in this stage.
Fig. 11

< Note >
Do not hold the hammer section as illustrated in Fig. F.
Because, steel balls 3.5 fall off the hammer, when separating spindle
from hammer.

Fig. F
Repair P 8 /13
< 6 > Assembling hammer section
1. Put 31 pcs. of steel ball 3.5 and flat washer 32 into hammer. See Fig. 12
After mounting compression spring 32, cup washer 19 and spindle to hammer, press the hammer toward the spur
gear installing side with "No.1R045 gear extractor" . See Fig. 13.

Flat washer 32

No.1R045
Spindle Gear extractor

31 pcs. of
Cup washer 19
steel balls 3.5
Compression
spring 32

Hammer
Fig. 12

Fig. 13

2. Align the top of cam groove of spindle with the opening portion of hammer. And then, mount 2 pcs. of
steel ball 6.4 to spindle. See Fig. 14. Mount spur gears 32, pins 6 and flat washer 18 to spindle. See Fig. 15.

Steel ball 6.4

Flat washer 18
Pin 6
Pin 6
Spur gear 32

Spindle
Spur gear 32

Hammer

The top of cam groove
and
The opening portion of hammer

Fig. 14 Fig. 15

3. Mount the assembled hammer section to the machine with referring to "< 4 > Assembling mechanical
section" at page 6.
Repair P 9 / 13
< 7 > Removing baffle plate
1. Slide baffle plate to the overhang portion of handle cover. And remove it by pulling in the direction of
black arrow.
Baffle plate

Baffle plate

Overhang portion
of handle cover

Handle cover

Fig. 16

< 8 > Removing handle cover and F/R change lever
1. After removing hook, unscrew 3 pcs. of tapping screw 4x18, and disengage switch from F/R change lever.
See Fig. 17.

F/R Change lever F/R Change lever
Handle cover
Switch

Tapping screws
Hook 4x18

Fig. 17

2. Push F/R change lever in the direction of the arrow 1. Pull the lever in the direction of 2, and then, pull out in the
direction of 3. So, F/R change lever can be removed from handle cover. See Fig. 18.

Handle cover

F/R change lever

2
3
Fig. 18
Repair P 10 /13
< 9 > Mounting handle cover and F/R change lever
1. Push F/R change lever in the direction of the arrow 1. Push the lever in the direction of 2, and then, push in the
direction of 3. So, F/R change lever can be mounted to handle cover. See Fig. 19.

The groove for engaging with switch is carved
another side of this portion

Marking about material

2 3

< Note >
Face the marking about material
to the mechanical section side
( up side) as per the illustration,
so the groove for engaging with switch
faces automatically to switch, and
possible to mount F/R change lever
1
to handle cover and engage it with
switch.
Fig. 19

2. Engaging the tab of switch with the groove
of F/R change lever, mount switch to
handle cover. See Fig. 20. Tab of switch

F/R Change lever

Fig. 20

3. Mount handle cover to motor housing and fasten it with 3 pcs. of tapping screw 4x18. Mount hook.
See Fig. 21.

F/R Change lever

Handle cover

Tapping screws
4x18

Hook

Fig. 21
Circuit diagram without Line Coil P 11 / 13

Color index of lead wires Left
Black (viewing from
White armature fan side)
Red
Orange
Blue
Right The following illustration of
Purple field shows the view from
Brown
(viewing from
armature fan side.
See-through armature fan side)

Choke coils
clamped on field

Right Left
viewing from Field viewing from
armature fan side armature fan side

Switch
3 1
Connect this grounding
terminal with field core. 4 M1
2
1 2
C2 M2
C1

Noise
Suppressor
Power Supply
Cord

< Note >
* Choke coils are not used for all countries.
* Noise suppressor is not used for all countries.
* Noise suppressor of two lead wire type is used for some countries in stead of
three lead wire type.
Circuit diagram with Line Coil P 12 /13

Color index of lead wires
Black Left
White (viewing from
Red armature fan side)
Orange
Blue
Purple
Right The following illustration of
Brown
(viewing from field shows the view from
See-through armature fan side.
armature fan side)

Choke coils
clamped on field

Right Left
viewing from Field viewing from
armature fan side armature fan side

Insulated
Terminals

Switch
3 1
Connect this grounding
terminal with field core. 4 M1
2
1 2
C2 M2
C1

Line
Coil

Noise
Power Supply

Suppressor
Cord

White lead wires can be used for
connecting insulated terminals
to line coil.
Wiring diagram P 13 / 13

Mount field paying attention to the following matters.
1. Poke in terminal side has to be
faced to armature fan side. Insulation cover
2. Orange lead wire side has to be Insulation cover
located on switch side.

Poke in terminals Armature Armature
Fig.A Fig.B
Insulation covers have to be mounted as per Fig. A.
Orange Do not mount them as per Fig. B.
lead wire Insulation cover
Switch

Pass the field lead wires along the
wall of motor housing.

The lead wire of tab terminal
has to be put in the space between
rib and wall of motor housing.
Do not put on the rib.
Wall of
motor housing
Put the slack portion of
lead wires into the space
between field core and
the wall of motor housing.
Switch
Rib

Tab terminal

Line coil
Handle cover if it is used. Insulated
Noise terminal
Sponge sheet suppressor,
if any. Put lead wires of power
Put sponge sheet supply cord on the right
into the illustrated side of rib.
position
Rib

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