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[2] LUBRICATION (cont.)

R

epair

3

/ 1

4

Fig. 2

Item No.

Description

Portion to lubricate

Lubricant

Amount

Striker

Ball bearing 606ZZ

Compression spring 7

Disassemble Tool holder section as illustrated in 

Fig. 3

.

Retaining ring S-7

Piston joint

Armature

Flat washer 12

Swash Bearing Section

40

41

51

52

53

63

(f)

(g)

(h) (g)

(k) Crank room

(i)

(j)

50

49

51

52

53

63

17

40

41

Clutch cam

Bearing portion

(k) Crank room

4g
17g

Swash bearing 10

Helical gear 25

Gear housing 
complete

Inner housing
complete

O ring 16

Piston cylinder

Whole portion

Makita grease R No. 00

Makita grease R No. 00

Makita grease R No. 00

Molybdenum disulfide
lubricant

Molybdenum disulfide
lubricant

Molybdenum disulfide
lubricant

Makita grease R No. 00

a little

a little

5g

Pole portion which is inserted into Piston joint

49

Spur gear 10

Gear teeth where  28  Spur gear 51 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 complete contacts.
     (Refer to 

Fig. 1

.)

(i) Outside groove

(j) Side where  52  Swash bearing 10 engages

50

Cam shaft

Surface where  51  Clutch cam and  49  Spur gear 10 contact

[3] DISASSEMBLY/ASSEMBLY
[3] -1. Tool Holder Section

DISASSEMBLING

Ring 21

Ring 21

Guide washer

Conical compression
spring 21-29

Cap 35

Steel ball 7.0

Chuck cover

Ring spring 19

Chuck cover

1R003

1R212

Disassemble Cap 35 and remove Ring
spring 19 with 1R003 and 1R212.

Note

: Replace the tips of 1R003 to those

           of 1R212. 

Ring 21

Disassemble Chuck cover. 
And remove Steel ball 7.0
while pressing down Ring 21.

After disassembling Steel ball 7.0, 
the Tool holder section can be 
disassembled as illustrated above.

Fig. 3

ASSEMBLING

Do the reverse of the disassembling step.

Note: 

Be sure to place the flat portion of Ring spring 19 on Steel ball 7.0.   Refer to 

Fig. 3

.

Flat portion

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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