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Makita BTW151 Technical Information

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T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPTION AND MAIN APPLICATIONS
Because of the over-tightening, it was a problem to employ
impact wrench in the working field where the even controlled
fastening torque is required.
However, the above mentioned BTW151 has solved this problem
with the "BPM preselection system".
Of course, BTW151 is equipped with newly developed battery
system as Model BTW150.
Below listed standard type model is only available.
Model No.
BTW151BSA Ni-MH
BH1420 / 14.4V / 2.0Ah
S
pecification
Model No.
Voltage (V)
No load speed (min
Impact per minute (min
Driving shank : mm ( " )
Standard bolt
High Tensile bolt
Machine screw
Capacities
Self drilling screw
Course thread
Max. fastening torque
Electric brake
Variable speed control switch
Reverse switch
Net weight: kg (lbs)
S
tandard equipment
* Socket 19-38 ................................... 1 pc.
* Pin 4 ................................................ 1 pc.
* O ring 24 ......................................... 1 pc. (Except North American market)
* Plastic case ....................................... 1 pc. (only for Model BTW151BSA)
< Note > The standard equipment for the tool shown may differ from country to country.
O
ptional accessories
* Various socket
* Battery BH1420 (2.0Ah)
* Battery BH1433 (3.3Ah)
* Charger DC14SA
BTW151
14.4V Cordless Impact Wrench
Battery
Charger
DC14SA
=rpm)
-1
=bpm)
-1
Square 12.7 (1/2)
M10 - M16 (3/8 - 5/8)
M8 - M12 (5/16 - 1/2)
150N.m 1,530Kgf.cm 1,330in.lbs
1.9 (4.3) including battery BH1420
W
Plastic
case
Dimensions : mm ( " )
Yes
Length ( L )
Height ( H )
Width ( W )
*253 (10) is the height with battery BH1420.
BTW151
14.4
0 - 2,300
0 - 3,000
Yes
Yes
Yes
L
H
193 (7-5/8)
*253 (10)
78 (3-1/16)
PRODUCT
P 1 / 8

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Summary of Contents for Makita BTW151

  • Page 1 Because of the over-tightening, it was a problem to employ impact wrench in the working field where the even controlled fastening torque is required. However, the above mentioned BTW151 has solved this problem with the "BPM preselection system". Of course, BTW151 is equipped with newly developed battery system as Model BTW150.
  • Page 2 And the over tightening can be avoided with BPM. pre-selection system. Consequently, Mod.BTW151 is suitable for fastening work in the section where the fastening torque is directed in advance. Bottom view of grip end (View from terminal side) BPM.
  • Page 3 Fig.A If you want more than 200 BPM., align the both pre-setting dials with 9 as illustrated in Fig. C. In this case, Mod.BTW151 is used as an normal cordless impact driver with 0 - 3,000 bpm. The first digit The second digit Fig.C...
  • Page 4 P 4 / 8 eatures and benefits Indications and functions Special purpose Mode of reverse switch Dial pre-selection Purpose Clockwise rotation Anti-clockwise rotation The second The first digit digit If the dial of second digit is set on "A", the machine does not start in spite of pulling trigger switch.
  • Page 5 (204) torque for M 8 (Time: sec.) (Time: sec.) 300 (bpm.) (bpm.) 99 (Dial pre- (Dial pre- selection) selection) omparison of products Makita Model BTW151 BTW150 * 6931D Specifications Ni-MH Ni-MH Ni-Cd Cell BH1420 BH1433 BH1420 BH1433 * 1402 Type Battery Voltage (V) 14.4...
  • Page 6 Remove hammer case from housing R and L. So, housing R can be separated from housing L. Anvil can be disassembled from hammer case. < Note > When assembling anvil to hammer case, put 0.1g MAKITA grease N No.1 to the cylindric part of anvil. < 2 > Disassembling hammer (1) Press down hammer with 1R045: Large gear extractor by turning the handle.
  • Page 7 P 7 / 8 epair < 4 > Removing ball bearing 6901LLB Ball bearing 6901LLB is firmly assembled by pressing into internal gear case, and it is difficult to disassemble it without any tool. For disassembling it, the following repairing tools are required. * Bearing pullers No.

  • Page 8: Wiring Diagram

    P 8 / 8 iring diagram Switch Press FET lead wires and the wires of end bell complete into the bottom of housing L. Be careful, not to pinch Place the tube protecting 6 lead wires them with housing R. of controller, in the center of controller, so that the tube and controller's lead wires are not pinched by housing R.