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R

epair

5

/ 1

4

bearing room of
Gear housing complete

4x40 Tapping screws (4 pcs.)

Gear housing
complete

Holder cap cover

Motor housing
complete

Ball bearing 6000DDW
of Armature (behind the Fan)

[3] DISASSEMBLY/ASSEMBLY
[3] -4. Armature

1) Remove Holder cap cover by inserting Slotted screwdriver between Holder cap cover and Motor housing complete. 
    (Fig. 8)  Then remove Holder cap and Carbon brushes.
2) Seperate Gear housing complete from Motor housing complete by loosening 4x40 Tapping screws (4 pcs.). 
    Armature is left on Gear housing complete in this step. (Fig. 9)
3) Pull Armature out from Gear housing complete by hand. (Fig. 10)  This way is easier than using Plastic hammer to strike 
     Gear housing portion. (Ball bearing 6000DDW of Armature is tightly fit into the bearing room in Gear housing complete 
     using O ring 26. )

Do the reverse of the disassembling step.

DISASSEMBLING

ASSEMBLING

Do the reverse of the disassembling step.

ASSEMBLING

Fig. 10

Fig. 9

Fig. 8

DISASSEMBLING

Fig. 11

Fig. 12

1) Disassemble Tool holder section as illustrated in Fig. 3.
2) Disassemble 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 illustrated in Figs. 11 and 12.
5) Remove the Ring spring 29 to separate Washer 31, Compression spring 32 and Spur gear 51 (Figs. 13 and 14)

[3] -5. Torque Limiter Section

Remove Torque limiter section from Piston 
cylinder and Inner housing complete.

Remove Torque limiter 
section from Gear housing
complete by striking 
Chuck assembling portion
with Plastic hammer.

Flat washer 28

Piston cylinder

Inner housing complete

Torque limiter section

Gear housing complete

Torque limiter
section

Ball bearing 606ZZ remains fixed in Gear housing complete.

Assemble two pcs. of 1R022 to 1R306 and hold them to the ram
of arbor press. Put Torque limiter section on the table of arbor press.

While compressing Compression spring 32 by 
pressing down Washer 31 using arbor press, 
remove Ring spring 29 using 1R004. 
Spur gear 51 can be removed.

Washer 31

Washer 31

Ring spring 29

Compression spring 32

Ring spring 29

1R004

Table of arbor press

Fig. 13

Fig. 14

1R022 (2 pcs.)

1R036

ram of arbor press

Spur gear 51

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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