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R

epair

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4

DISASSEMBLI NG

1) Referring to "

[3] -5. Torque Limiter Section

", disassemble Ring spring 29, Washer 31, Compression spring 32 

    and Spur gear 51 from Tool holder complete.  Refer to 

Figs. 11 to 14

.

2) Holding Gear housing complete in vise and 1R038, Tap Ring spring 28 in Tool holder complete as illustrated in

 Figs. 21 

    and 22.

  

3) Remove Ring spring 28 from Tool holder complete and disassemble Impact bolt section.  (

Figs. 23 to 24)

   

Ring spring 28

Ring spring 28 can be pulled off from Tool holder
complete when completely removed from the 
groove.

Disassemble Impact bolt
section by striking Tool 
holder complete against 
workbench.

Note: 

Be sure to replace Ring spring 28

           when assembling Tool holder section.

Fig. 23

Fig. 24

Tool holder
complete

Sleeve 9

Impact bolt

Ring 10

Cushion ring 13

O ring case

Impact bolt section

[3] DISASSEMBLY/ASSEMBLY
[3] -7. Impact Bolt Section

Fig. 22

Fig. 21

end of Ring spring 28

Ring spring 28

When the end of Ring spring 
28 is in the hole of Tool holder
complete, slide the end to the 
blind side using a slotted 
screwdriver.

Ring spring 28

1R038

Vise

Tap Ring spring 28 from
the two holes alternately
to push downward.

Tool holder
complete

ASSEMBLING

Fig. 25

Fig. 26

Fig. 27

Fig. 28

Tool holder 
complete

1) Referring to

 Figs. 25, 26 and 27

 assemble the Impact bolt section to Tool holder complete as illustrated in 

Fig. 28

.

O Ring 9

O ring 9

O ring case

Note: 

Make sure O ring 9

           is mounted to O ring 
           case in advance.

Note

: Do not put the end of the ring spring 28 into

           the two holes on Tool holder complete.

end of
Ring spring 28

hole

Correct

Wrong

Ring 10

Sleeve 9

Impact bolt

O ring case

Ring spring 28

Cushion  ring 13

15.5mm

20mm

Note: 

This end has to be inserted

          into Sleeve 9.
          Incorrect assembling causes
          trouble in hammering.

Impact bolt

Impact Bolt Section

assembled in Tool holder

complete

Summary of Contents for BHR241

Page 1: ...embly 1 set Depth gauge Stopper pole 1 pc SDS Plus bits Taper shank T C T bits Taper shank adapter Cotter Drill chuck assembly Chuck adapter Drill chuck S13 Bull points Dust Cup Grease Vessel 30g Blow...

Page 2: ...nd bar for Arbor 7 50 Removing Striker from Tool holder complete Removing Ring 8 from Cam shaft Removing Installing Retaining ring S 7 from to Cam shaft Removing Installing Ring spring 29 from to Tool...

Page 3: ...engages Refer to Fig 1 Teeth portion Space where Armature s drive end and 53 Helical gear 25 engages f Inside where Striker moves g Hole for accepting Piston joint h Surface where 30 Tool holder comp...

Page 4: ...Figs 6 and 7 2 Make sure that Change lever stops at every operation mode exactly after assembling Lock plate Drill mode Hammer drill mode large pin of Change lever small pin of Change lever Lock plat...

Page 5: ...ble Change lever as illustrated in Figs 4 and 5 3 Separate Gear housing complete from Motor housing Then remove Armature from Gear housing complete Figs 8 to 10 4 Disassemble Torque limiter section as...

Page 6: ...y without support Therefore insert Inner housing complete into Gear housing complete as a support ASSEMBLING Fig 20 Fig 19 1 Assemble Oil seal 25 to Gear housing complete in the order of Figs 17 and 1...

Page 7: ...lt section 3 DISASSEMBLY ASSEMBLY 3 7 Impact Bolt Section Fig 22 Fig 21 end of Ring spring 28 Ring spring 28 When the end of Ring spring 28 is in the hole of Tool holder complete slide the end to the...

Page 8: ...rom Motor housing complete And then remove Armature from Gear housing complete Refer to Figs 8 to 10 4 Remove Stop ring E 4 Flat washer 5 and Compression spring 6 from pin of Inner housing complete Fi...

Page 9: ...ash bearing section as a jig as follows Insert Cam shaft of Swash bearing section into the Ball bearing again Tilt the Ball bearing a little bit by moving Swash bearing section as illustrated to left...

Page 10: ...r will be clamped between Ball bearing 608ZZ and Helical gear 26 Repair P 10 14 11 Remove Helical gear 26 using 1R022 1R023 and 1R281 as illustrated to left in Fig 37 Swash bearing 10 and Clutch cam c...

Page 11: ...Piston joint hole for the pole of Swash bearing 10 Flat washer 12 Flat washer 12 Fig 40 Fig 41 2 Assemble Piston joint and two Flat washers 12 to Piston cylinder as illustrated in Fig 40 Note Do not f...

Page 12: ...them to Housing L ASSEMBLING Refer to Fig 47 Rubber pin 5 Pass Pin 1 5 through Rubber pin 5 And then assemble them to Battery housing set L as illustrated right Assemble Cushion to Battery housing set...

Page 13: ...Carbon brushes 1 Cap 35 40 O ring 16 38 Ring spring 28 29 Steel ball 7 0 35 Cushion ring 13 37 O ring 9 Circuit diagram Red Blue Brush holder L Brush holder R Yellow Color index of lead wires sheath...

Page 14: ...eat sink FET Yoke unit Bend Connecting terminal to Housing set L side as illustrated above Switch Fix the Brush holder s Lead wires red and black with Lead wire holder Switch Put the extra portion of...

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