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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

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Summary of Contents for BHR241RF

Page 1: ...h 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 out bulb Safety goggle Dust extractor attachment Joint 25 Charger DC18RA Charger DC18SC Charger DC24SA Charger DC24SC Battery BL1830 Hammer service kit This new product is available in the following variations The c...

Page 2: ... 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 por...

Page 3: ...o 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...

Page 4: ...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 plate can be seen through the hole for Change lever insertion before mounting Change lever When inserting Change lever into Gear housing complete contact the small pin to this Lock plate as designated in gray color Chang...

Page 5: ... 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...

Page 6: ...t 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 18 2 Assemble Needle bearing complete as illustrated in Figs 19 and 20 1R164 1R164 1R164 outer diameter 30mm outer diameter 34mm 1R232 Oil seal 25 With 1R232 and arbor press insert Oil seal 25 until it stops Oil seal ...

Page 7: ...ASSEMBLY 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 R...

Page 8: ...g 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 Fig 30 5 Remove two M4x12 Hex socket bolts that fasten Bearing retainer to Inner housing complete Fig 31 3 8 Swash Bearing Section Flat washer 5 Stop ring E 4 Compression spring 6 Change plate Pin of Inner housing comp...

Page 9: ...ion 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 in Fig 34 Ball bearing 606ZZ can now be removed by lightly tapping the edge of Gear housing complete with plastic hammer as illustrated to right in Fig 34 Fig 34 Swash bearing section used as a jig Ball bearing 606ZZ...

Page 10: ...d 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 can now be removed by hand right in Fig 37 12 Remove Retaining ring S 7 using 1R291 left in Fig 38 Compression spring 7 and Spur gear 10 can now be removed by hand right in Fig 38 Fig 38 Fig 37 Swash bearing 10 Clutch...

Page 11: ...e 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 forget to apply Makita grease R No 00 Refer to Fig 2 3 Insert Piston cylinder into Inner housing complete Fig 41 Flat washer 12 Flat washer 12 Piston joint Piston cylinder Inner housing Correct Wrong pole of Swash bea...

Page 12: ...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 L at the rear side of Terminal as illustrated above Pin 1 5 Do not forget to put Wave washer 15 in place for holding Ball bearing 607DDW on the commutator end of Armature Wave washer 15 Terminal Battery housing set ...

Page 13: ...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 Black Housing R Side Housing R Side Housing L Side Housing R Side Housing L Side Yoke unit Switch Terminal Heat sink Tape for binding Lead wires FET Housing L Side Fig D 1 See more at http safe manuals com ...

Page 14: ...e 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 Lead wires in this area Fix the FET Lead wires with Lead wire holder Fig D 2 Connecting terminal Housing set L See more at http safe manuals com ...

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