background image

P

 

4

/ 1

4

Fig. 5

Fig. 6

Fig. 7

[3] -2. Spindle Section

Clutch case

Compression spring 5

Clutch section

Spindle section

Fig. 3

M4x4 (+) Pan head

screw (

silver

)

Ring 38

Clutch case cover

Clutch case

DISASSEMBLING

DISASSEMBLING

Steel ball 3 (2pcs.)

Compression spring 13

Spindle M/ N

Ring spring 10

Fig. 2

M4x8 Pan head screw (

black

)

Switch lever

Compression spring 2

Fig. 4

M4x22 (+) Pan head screw (4pcs.)

Clutch case

Clutch section

(= Clutch ass’y)

Housing

Retaining ring R-21

1R311

Clutch case

Switch unit

R

epair

[3] DISASSEMBLY/ASSEMBLY

[3] -1. Bit Holder Section

Bit holder section can be disassembled from Spindle M/ N

by removing Ring spring 10 from 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 unscrewing M4x4 (+) Pan head screw (

silver

), 

      then remove Clutch case cover from Clutch case by unscrewing M4x8 Pan head screw (

black

).

      Switch lever and Compression spring 2 can be removed now. (

Fig. 3

)

(3) Remove Clutch case from Housing by unscrewing four M4x22 (+) Pan head screws.

      Clutch section (= Clutch ass’y) now can be removed from Housing. (

Fig. 4

)

Note:

Be careful not to lose Compression spring 5 located in Clutch section.(

Fig. 5

)

(4) Remove Retaining ring R-21 that holds Spindle section in place on Clutch case using 1R311. (

Fig. 6

)

(5) Remove Spindle section from Clutch case by tapping the end surface of Clutch case with plastic hammer. (

Fig. 7

)

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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