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[[3] DISASSEMBLY/ASSEMBLY
[3] -8. Swash Bearing Section (cont.)

R

epair

ASSEMBLING

P 1

1

/ 1

4

  

4) Move Piston cylinder to the rear dead center position.  (Fig. 42)
5) Insert the pole of Swash bearing 10 into the hole of Piston joint as illustrated in Fig. 43.

6) Insert Ring 8 (the end of Swash bearing section) into Inner housing complete. (Fig. 44)
7) Fitting the tip of Change plate in the groove on Clutch cam, insert Change plate over the pins of Inner housing complete.
(Fig. 45)
Note:  Ball bearing 608ZZ of Swash bearing section is not yet inserted into Inner housing complete in this step.

Fig. 44

Fig. 45

Fig. 42

Fig. 43

Piston cylinder at
rear dead center 
position

Front

Rear

Piston cylinder

Tilt Swash bearing 10 to insert the pole.

hole of Piston joint

tip of Clutch cam

Swash bearing section

Ring 8

Clutch cam

groove

Inner housing complete

pins of Inner housing complete

Ball bearing
608ZZ

Change plate

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 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
bearing 10

Ring 8

Ball bearing 608ZZ

M4x12 Hex socket head bolt ( 2 pcs.)
(with threadlocker coated)

Note: If reusing M4x12 hex. 
          socket head bolts, be sure 
          to apply ThreeBond 1321B 
          or 1342, or Loctite 242
          to the threads before
          fastening.

Stop ring E-4

Upper pin of
Inner housing complete

Flat washer 5

Compression spring 5

8) Insert Ball bearing 608ZZ of Swash bearing section into Inner housing complete, and fasten Swash bearing section to
     Inner housing complete with two M4x12 hex socket head bolts. Then, put Compression spring 6 and Flat washer 5 
     through the upper pin of Inner housing complete, and secure them with Stop ring E-4   (Fig. 46

Fig. 46

Ball bearing 608ZZ

Ring 8

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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