Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA TW0350-TE
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T ECHNICAL INFORMATION
Models No. TW0350 W
PRODUCT
P 1 / 10
Description Impact Wrench L
CONCEPTION AND MAIN APPLICATIONS
In order to occupy the advantageous position in the market,
we have developed the above impact wrench with the following
features.
* Incredibly high torque of 350 N.m (260 ft.lbs)
* Equipped with palm-fitting soft grip for comfortable work.
H
Dimensions : mm ( " )
Length ( L ) 283 (11-1/8)
Width ( W ) 87 (3-7/16)
Specification Height ( H ) 233 (9-1/8)
Continuous Rating (W)
Voltage (V) Current (A) Cycle (Hz) Max. Output(W)
Input Output
110 3.8 50 / 60 400 230 350
120 3.5 50 / 60 400 230 350
220 1.9 50 / 60 400 230 350
230 1.8 50 / 60 400 230 350
240 1.8 50 / 60 400 230 350
No load speed (min-1=rpm) 2,000
Impact per minute (min-1=bpm) 2,000
Square drive : mm ( " ) 12.7 (1/2)
Standard bolt M12 - M22
Capacities
High Tensile bolt M12 - M16
Max. fastening torque : N.m (ft.lbs) 350 (260)
Reverse switch Yes (Rocker type)
Power supply cord : m ( ft ) 2.0 (6.6) for Australia 2.5 (8.2) for other than Australia
Net weight: kg (lbs) 2.9 (6.4)
Standard equipment
* Socket 24-45 .................................... 1 pc.
* Plastic carrying case ....................... 1 pc.
< Note > The standard equipment for the tool shown may differ from country to country.
Optional accessories
* Socket 19-38 * Socket 21-150 * Socket 24-52 * Socket 30-78 * Extension bar
* Socket 19-52 * Socket 22-38 * Socket 26-50 * Socket 32-50 * Universal joint
* Socket 19-78 * Socket 22-52 * Socket 26-78 * Socket 32-78 * Elliptic socket
* Socket 21-38 * Socket 23-38 * Socket 27-50 * Time switch
* Socket 21-52 * Socket 23-52 * Socket 27-78
* Socket 21-78 * Socket 24-45 * Socket 30-50
Features and benefits P 2 / 10
TW0350
Aluminum hammer case
with high durability
Cylindric housing with high
rigidity and durability
Externally accessible
Incredibly high
carbon brush for easy
fastening replacement
torque : 350N.m (260 ft.lbs)
Bumper protects workpiece Palm-fitting soft grip
from scratches.
Rocker switch which is standard
one for impact wrench, provides
easy rotation reverse
Comparison of products
MAKITA Competitor X Competitor Y Competitor Z
Model No.
Specifications TW0350 6905B 6905H X Y Z
Max. fastening torque 350 294 294 325 250 294
: N.m (ft.lbs) in catalogue (260) (217) (217) (240) (217)
Square drive : mm 12.7 12.7 12.7 12.7 12.7 12.7
(") (1/2) (1/2) (1/2) (1/2) (1/2) (1/2)
Power input : W 400 380 470 500 380
Rated amperage
3.5 4.0 6.0 7.5 5.0
for North America : A
No load
2,000 1,700 2,200 2,100 500 - 1,300 1,700
speed :min-1=rpm
Impact per
2,000 2,200 2,600 2,700 1,800 2,000
minute :min-1=bpm
Plastic
Material of hammer case Aluminum Aluminum Aluminum Aluminum Aluminum
Clam shell type
Externally accessible brush Yes Yes No Yes No Yes
Soft grip Yes No No No No No
Switch Type Rocker Rocker Trigger ** Rocker Trigger w/Dial Rocker
Overall length: mm 282 270 275 276 320 270
(") (11-1/8) (10-5/8) (10-7/8) (10-7/8) (12-5/8) (10-5/8)
Net 2.9 2.7 2.3 3.2 3.3 2.9
weight: kg (lbs) (6.4) (6.0) (5.1) (7.0) (7.3) (6.4)
** Rocker : for North America,
Trigger type : for Europe
Comparison of products P 3 / 10
Fastening high tensile bolt M20
< Note on Max. fastening torque >
MAKITA defines the max. fastening torque as follows ;
The torque level measured 3 seconds after starting to drive a bolt.
Therefore, as you see in the chart below, the max. fastening torque of TW0350 is 350 N.m.
450
400
350
300
Fastening torque ( N.m )
250
200
150
100
50
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Time (s)
MAKITA TW0350
MAKITA 6905B
Competitor Y Model Y
Competitor X Model X
Competitor Z Model Z
Repair P 4 / 10
< 1 > Lubrication
Apply MAKITA grease N. No.1 to the following portions designated by black triangle to protect
parts and product from unusual abrasion.
Sleeve 18 Compression 19 cps. of
spring 28 steel ball 4
Steel ball 6.4
Flat
19
washer 8
Hammer case 7 8 10 13
Fig. 1
Position Portion Amount : g
No. Parts item to be lubricated ( oz )
* The surface which contacts sleeve 18. 0.5 (0.02)
7 Anvil * The wing portion which is percussed by cam portion of 8 Hammer. 3.5 (0.13)
* The joining hole in which 13 Spindle is inserted. 1.0 (0.04)
* The cam portion which transmits the percussion to 7 Anvil. 3.5 (0.13)
8 Hammer * The inner surface where contacts 10 Spring holder. 3.0 (0.12)
* The outer surface which contacts the inner surface of 8 Hammer 3.0 (0.12)
10 Spring holder * The edge portion where 19 pcs.of steel ball 4 roll. 0.5 (0.02)
* The inner surface where contacts 13 Spindle. 0.5 (0.02)
Spindle * The groove where 2 pcs. of steel ball 6.4 roll. 2.0 (0.08)
13 * The gear portion 10 .0 (0.35)
* The teeth portion 10 .0 (0.35)
19 Spur gear 19-41
* The surface where flat washer 8 contacts. 0.1 (0.01)
< 2 > Removing armature
( 1 ) Remove brush holder cap and carbon brush. Hammer case
See Fig. 2. Mechanical section
Hammer case cover
( 2 ) Remove hex socket head bolt M5x50, cup
Motor housing
washer and urethane ring 5 each 4 pcs.
See Fig. 2.
( 3 ) Separate mechanical section (hammer case
and hammer case cover) from motor
housing. Then, armature can be separated
from motor housing together with
mechanical section. See Fig. 2. Armature
< Note >
If the armature remains in the motor housing
at the step (3), it can be removed by knocking Hex socket
the edge of motor housing with plastic hammer. head bolt M5x50
Urethane ring 5
Cup washer
Fig. 2
Repair P 5 / 10
< 3 > Disassembling the mechanical section
( 1 ) Separate hammer case cover from hammer case by pulling in the vertical direction as illustrated in Fig. 3R
in stead of Fig. 3F.
Hammer unit
(hammer, spindle,
compression spring 28, etc.)
Hammer case
Hammer case
cover
The parts can fall
off the hammer case
cover.
Fig. 3R Fig. 3F
( 2 ) Remove anvil and flat washer 19 from hammer case. See Fig. 4.
( 3 ) Remove the hammer unit and spur gear 19-41 and 3 pcs. of flat washer 8 from hammer case cover.
See Fig. 5.
The hammer unit
This part can remain (hammer, spindle,
in the hammer case. Flat washer 8
compression spring 28, etc.)
Anvil
Flat washer 19
Fig. 4 Spur gear 19-41 Flat washer 8
Fig. 5
< Note > Be careful, not to lose flat washers.
< 4 > Disassembling hammer unit
( 1 )Pull hammer toward gear
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 Steel
portion of hammer. ball 6.4
See Fig. 6.
Gear
Opening
portion
Top of cam
groove
Steel ball 6.4 Fig. 6
Repair P 6 / 10
( 2 )After removing steel ball 6.4, loosen the handle of "No.1R045 Gear extractor" slowly until the spindle is free
from the compression spring 28.
( 3 )Putting the hammer unit as illustrated in Fig. 7R, remove the following parts.
* Hammer
* Compression
Spindle
spring 28
Hammer The steel balls 4
* Spring holder
fall off the spindle
* 19 pcs. of steel
and can be lost.
ball 4
* Spindle Compression
spring 28
Spring holder
Spring holder Compression
spring 28
19 pcs. of steel ball 4
Hammer
Spindle
Fig. 7R Fig. 7F
< 5 > Assembling hammer unit
( 1 ) Put 19 pcs. of steel ball 4 in the groove of spindle's gear portion. See Fig. 8.
( 2 ) Put spring holder, compression spring 28 and hammer on the spindle. See Fig. 9.
( 3 ) Pressing the hammer to the gear side, align the top of cam groove of spindle with the opening of hammer.
And mount 2 pcs. of steel ball 6.4 as illustrated in Fig. 10R.
The assembling of hammer unit has been finished at this step.
19 pcs. of steel ball 4 Steel ball 6.4
Hammer
Apply grease to the groove Compression
of spindles's gear portion for spring 28
prevention against the falling
off of steel ball. Spring holder
19 pcs. of steel ball 4
Spindle
Fig. 8
Steel ball 6.4
Fig. 9
Do not hold the hammer unit as illustrated
in Fig. 10F, when pressing hammer to
the gear side.
The steel ball 4 can fall off the groove
of spindle's gear portion and scatter in
the hammer.
Fig.10R
Fig.10F
Repair P 7 / 10
( 4 ) Mount the hammer unit and spur gear 19-41 to the hammer case cover. See Fig. 11.
< Note >
Do not forget to mount flat washers 8 to the following portion.
* Spindle of hammer unit
* Shaft of hammer case cover for spur gear 19-41 (both side of spur gear 19-41)
The hammer unit Hammer
(hammer, spindle, case cover
Flat washer 8
compression spring 28, etc.)
Spur gear 19-41 Flat washer 8
Fig.11
( 5 ) Mount flat washer 19 and anvil to the hammer case. See Fig. 12.
( 6 ) Mount hammer case cover as illustrated in Fig. 13. The assembling of mechanical section has been finished
at this step.
Hammer unit
This part can remain (hammer, spindle,
in the hammer case. compression spring 28, etc.)
Anvil Hammer case
Flat washer 19
Fig.12 Hammer case
cover
Fig.13
Repair P 8 / 10
< 7 > Replacing electrical parts in the handle
( 1 ) Unscrew 2 pcs. of tapping screw 4x18 and remove handle cover. Then, the electrical parts
(switch, line coil, resister, etc.) can be replaced. See Fig.14.
37
34
Tapping screw 4x18
34 Sponge
37 Switch Handle cover.
38 Line coil
39 Resister 38
40 Terminal block 39
42 Noise suppressor
48 Power supply cord 40
49 Cord guard 48
42
Tapping screw 4x18
Strain relief 49
Fig.14
( 2 ) Put the sponge into the position as illustrated in Fig. 15.
( 3 ) Inflect the insulated terminals as illustrated in Fig. 16, Handle cover
when connecting with switch terminals.
If sponge is used, put it
in the illustrated place.
Fig.15
Switch
Fig.16
Circuit diagram P 9 / 10
Color index of lead wires
Black Purple
White Clear
Red Brown
Orange Blue
For the countries where Radio
For the other countries Interference Suppression is required.
Brush holder
Brush holder
Right
Right
Brush holder Brush holder
Left Left
Brush holder Brush holder Brush holder
(Left) (Right) (Right)
Field
Brush holder
(Left)
Fastened
on field Tube
core.
2 5 2 5
Switch Switch
3 6 3 6
Resister
Line
coil
red or white
Power supply Terminal block Power supply
Terminal block cord Noise
suppressor cord
For some country insulated terminal can be used For some country insulated terminal can be used
in stead of terminal block. in stead of terminal block.
Wiring diagram P 10 / 10
Left side
Right side
Fasten the lead wire
(clear) of noise
suppressor with screw.
Insert the tube for protecting
lead wires, deep in the motor housing.
Lead holder
Lead holder Hold the following lead wires
Hold the following lead wires with lead holder.
with this lead holder. * Field lead wire (red) to be
* Lead wire (see through) of noise connected to switch
suppressor * Field lead wire (orange) to be
This lead wire has to be put in connected to switch
the bottom of lead holder. * Field lead wire (black) to be
* Field lead wire (purple) to be connected to insulated terminal
connected to switch Resister
* Field lead wire (white) to be
connected to switch The lead wires (red or white ) for
* Field lead wire (black) to be Line connecting line coil with terminal
connected to insulated terminal coil block have to be put as shown.
(between resister and noise
suppressor.
Terminal block
Put lead wires of power supply cord Noise suppressor
on the left side of rib.
Rib
Line coil Put the insulated terminals
under the lead wires of
power supply cord.
Terminal block
Do not cross the lead wires with which
line coil and terminal block are connected.
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