Makita BHR261 Technical Information page 16

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-8. Swash bearing 10, Gear portions
DISASSEMBLING
Note: The subject step can be done without removing Motor section.
1) Remove Gear housing complete as mentioned in the clause of [3]-5.
2) Remove Inner support complete by loosening two M4x25 Hex
socket head bolts using 1R170. (Fig. 45)
3) Remove two M4x12 Hex socket head bolts that is seated on Bearing
retainer B on Inner support complete. (Fig. 46)
4) Swash bearing 10 portion and Piston cylinder portion from Inner
housing complete. (Fig. 47)
5) When Ball bearing 606ZZ is left in Gear housing complete after
removing Swash bearing section, insert Cam shaft to a hole of Ball
bearing 606ZZ and tilt Cam shaft back and forth (Fig. 48), then tap
Gear housing complete with plastic hammer as illustrated in Fig. 49.
Ball bearing 606ZZ can be removed.
6) Put Spiral bevel gear 26 on a U groove of 1R139 and pass Swash bearing portion through the groove, then press down
Cam shaft using 1R281 to lose the press fit to Spiral bevel gear 26, Ball bearing 608ZZ and Ring 8 at a time. (Fig. 50)
They can be removed. Also Clutch cam, Swash bearing 10, Sleeve 9 and Bearing retainer B can be removed from Cam
shaft. (Fig. 51)
7) Remove Retaining ring S-7 from Cam shaft using 1R291. Compression spring 7 and Spur gear 10 can be removed. (Fig. 51)
Fig. 46
M4x12 Hex socket head bolt (2pcs.): threadlocker type
Inner housing complete
Fig. 48
Cam shaft
2
1
Ball bearing 606ZZ in
Gear housing complete
Fig. 51
Ball bearing 606ZZ Cam shaft
Retaining ring S-7 Compression spring 7
Bearing retainer B
Fig. 49
Swash bearing portion
Clutch cam
Spur gear 10
Fig. 45
Inner support complete
M4x25 Hex
socket head bolt
Fig. 47
M4x12 Hex socket head
bolt (2pcs.): threadlocker type
Fig. 50
Spiral bevel
gear 26
Swash bearing 10
Spiral bevel gear 26
Sleeve 9
M4x12 Hex socket head
bolt (2pcs.): threadlocker type
Inner housing complete
1R170
1R281
1R139
Cam shaft
Ball bearing 608ZZ
Bearing retainer B
P 16/ 21
Ring 8