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1R004 Retaining ring S pliers ST-2

1R035
1R036

Bearing setting plate 15.2

installing Ball bearing 6801LLB and Ring 12 
assembling Spindle section to Clutch case

assembling Spindle section to Clutch case

Bearing setting plate 17.2

1R237

Round bar for arbor 8-100

1R269
1R288

1R291 Retaining ring S and R pliers

1R145
1R219
1R220

Ratchet head 9.5 (1R219)

1R222

765027-4

1R314

1R311

Retaining ring pliers with long bent nails

Code No.

Description

Use for

BFT125F

BFT043F

Model No.

Description

Item No.

Ring 38

Ring 38G

Ring 38I

Ring 38H

Spindle M/ N

Either Spiindle M or Spindle N is used. It differs from country to country.

Compression spring 19

Compression spring 19D Compression spring 19E Compression spring 19C

Cam C/ A

Cam C

Clutch ass’y D

Clutch ass’y F

Clutch ass’y G

Cam A

Armature
Clutch ass’y (as an option 

for quick repair of Clutch 

section) consists of Item Nos. 

Part No.619265-9

Part No.619267-5

29

23

36
39
54

BFT083F

R

epair

[1] NECESSARY REPAIR TOOLS

removing/installing Ring spring 11

removing M5x10 Torx countersunk head screw from Spindle

L type Torx wrench set
Torx wrench shaft 7-23N.m

tightening M5x10 Torx countersunk head screw to Spindle

Socket adapter (1R219)

Bearing extractor

removing Ball bearing 6801LLB and Ring 12 from Spindle
removing Steel balls
removing/installing Ring spring 10 from/on Spindle M/ N
removing Retaining ring R-21
assembling M5x10 Torx countersunk head screw to Spindle
disassembling Clutch section

Torque adjust tool

Torx bit VT-25

Screwdriver magnetizer

CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.

Note:

 Some parts numbers and descriptions differ from model to model. Refer to the following list and replace the 

           descriptions in this technical information. (for example, Cam C/ A means Cam C or Cam A.)

Plate

Plate G 

Plate I

Plate H

1

43

32 33 43 34 35 36 37
38 39 40 41 42 62

Summary of Contents for BFT043F

Page 1: ...with Battery BL1430 Model No Description PRODUCT CONCEPT AND MAIN APPLICATIONS P 1 14 BFT043F BFT083F BFT125F Cordless Screwdrivers 14 4V These three cordless screwdrivers for fastening works in assem...

Page 2: ...ir of Clutch section consists of Item Nos Part No 619265 9 Part No 619267 5 29 23 36 39 54 BFT083F Repair 1 NECESSARY REPAIR TOOLS removing installing Ring spring 11 removing M5x10 Torx countersunk he...

Page 3: ...shaft pins for 47 47 49 49 Repair Apply the following lubricants to protect parts and product from unusual abrasion Fig 1 Apply ThreeBond 1303 or Loctite 603 Fig 1 2 LUBRICANT AND ADHESIVE APPLICATION...

Page 4: ...the groove of Spindle M N by using 1R291 Fig 2 Flat washer 11 Sleeve groove 1 Disassemble Bit holder section from Spindle M N Refer to 3 1 Bit Holder Section 2 Remove Ring 38 from Clutch case by unscr...

Page 5: ...Fig 8 7 Remove Ball bearing 6801LLB with 1R269 Fig 9 8 Remove the other Ball bearing 6801LLB together with Ring 12 by using 1R269 Fig 10 Fig 8 Fig 9 Fig 10 1 Assemble Spindle M N section by using 1R03...

Page 6: ...3 It is recommended to wholly replace Clutch section with Clutch ass y when it is broken However if you need to replace some component part s of Clutch section independently disassemble assemble Clutc...

Page 7: ...ountersunk head screw Do the reverse of the disassembling steps Note When fastening M5x10 Torx countersunk screw to Spindle do as described in Fig 19 Apply Sealing lubricant No 101 to all Steel balls...

Page 8: ...4 2 After removing Brush holder cap and Carbon brush remove Housing L from Housing R by loosening eight M3x20 Pan head screws Then remove Switch unit from Gear section Fig 20 3 Disconnect Lead wires...

Page 9: ...Be careful not to pinch your fingers between Armature and Yoke unit when removing installing Armature because Yoke unit has strong magnetic force and pulls Armature very strongly Yoke unit Lock washer...

Page 10: ...Switch unit on Gear case and connect Lead wires of Endbell complete to Switch Fig 26 4 Put the assembly of Gear section and Motor section in place on Housing R then fasten Housing L to Housing R as d...

Page 11: ...icro switch to Reverse switch by fastening the screw to the recommended torque of 0 29 0 34N m 2 Assemble F R change lever to Reverse switch by fitting the boss of Reverse switch into the concave port...

Page 12: ...COM NO M2 S1 S2 M2 M1 Switch section Connector Connector Connector Color index of lead wires sheath Yellow Line filter in case it is used Micro Switch Reverse switch Controller Circuit diagram Fig D 1...

Page 13: ...ct Controller with LED circuit LED circuit Route the following four Lead wires between the rib and the inside wall of Housing Lead wires black red of Terminal Lead wires white red of Buzzer circuit Ro...

Page 14: ...in B of Housing L 6 between the raised portion and flanged portion of Clutch case 4 inside pin C of Housing L 5 through Lead wire holder of Housing L Wire yp Switch unit Wiring on the shelf portion of...

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