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[1] NECESSARY REPAIRING TOOLS

CAUTION: Remove the battery and the bit from the machine for safety before 
                      repair/ maintenance in accordance with the instruction manual! 

R

epair

Description

Code No.

1R003 Retaining ring S pliers SR-2

Removing / Installing Ring spring 19
Removing Ring spring 29

Removing Helical gear 25 from Cam shaft

Disassemble Oil seal 25 and Needle bearing complete from Gear housing 
complete
Disassemble Ball bearing 608ZZ from Cam shaft

Installing Helical gear 25 to Cam shaft

Installing Oil seal 25 to Gear housing complete

Installing Oil seal 25 to Gear housing complete
Installing Needle bearing complete to Gear housing complete

Holding Tool holder complete

1R004 Retaining ring S pliers ST-2N
1R022
1R023

Bearing plate for Arbor press
Pipe ring (for Arbor press)

1R033

1R032

Bearing setting plate 10.2

Bearing setting plate 8.2

1R038 Armature holder 32 set for vise
1R164 Ring spring setting tool A
1R165 Ring spring setting tool B
1R212 Tip for Retaining ring pliers

Attaching to 1R003 for removing Ring spring 19

1R232 Pipe 30

1R252 Round bar for Arbor 30-100

1R269 Bearing extractor

1R281 Round 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 holder complete

1R291 Retaining ring S and R pliers
1R306 Ring spring removing jig

Use for

[2] LUBRICATION

Apply the following grease to protect parts and product from unusual abrasion.
          * Makita grease R No.00 to the portions marked with black triangle
          * Molybdenum disulfide lubricant to the portions marked with gray triangle

Fig. 1

Item No.

Description

Portion to lubricate

Lubricant

Amount

a little

1

(a)

(c)

(d)

(e)

16

17

28

Needle bearing
complete

29

30

13

34

37

Sleeve 9

Impact bolt

Cushion ring 13

(b)

Cap 35

O ring 17

1

16

Change lever

13

Gear housing complete

Spur gear 51

17

28

Steel ball 7

29

Tool holder complete

30

Lip portion where Bit is inserted

Whole portion

Pin portion

Inside where Swash bearing section rotates
(a) Teeth portion, (b) Surface where Clutch portion of  
      30  Tool holder complete contacts  
Whole portion
(c) Surface where Needle bearing complete contacts
(d) Surface where Plane bearing 28 of  63 Inner 
      housing complete contacts
(e) Inside where  41  Piston cylinder reciprocates

Ring 10

34

O ring 9

Surface where Cushion ring 13 contacts
Whole portion

37

Tool Holder Section

Makita grease R No. 00

Makita grease R
No. 00

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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