Makita HRH01 Power Hammer User Manual


 
[3] DISASSEMBLY/ASSEMBLY
[3]-8. Swash bearing 10, Gear section
DISASSEMBLING
Fig. 44
Note: This step can be done without removing Motor section.
1) Remove Gear housing complete as instructed in [3]-5.
2) Remove Inner support complete by loosening two M4x25
Hex socket head bolts using 1R170. (Fig. 44)
3) Remove two M4x12 Hex socket head bolts that is seated
on Bearing retainer B on Inner support complete. (Fig. 45)
4) Remove Swash bearing 10 portion and Piston cylinder portion
from Inner housing complete. (Fig. 46)
5) When Ball bearing 606ZZ is left in Gear housing complete
after removing Swash bearing section, insert Cam shaft into
the hole of Ball bearing 606ZZ and tilt Cam shaft back and forth
(Fig. 47), then tap Gear housing complete with plastic hammer
as drawn in Fig. 48. Ball bearing 606ZZ can now be removed.
6) Put Spiral bevel gear 26 on a U-groove of 1R139 as shown in Fig. 49, then press down Cam shaft using 1R281
to loosen the press fit of Cam shaft to Spiral bevel gear 26, Ball bearing 608ZZ and Ring 8 at a time. (Fig. 49)
Also Clutch cam, Swash bearing 10, Sleeve 9 and Bearing retainer B can be removed from Cam shaft in this step.
(Fig. 50)
7) By removing Retaining ring S-7 from Cam shaft using 1R291, Compression spring 7 and Spur gear 10 can be
removed from Cam shaft. (Fig. 50)
Fig. 45
Fig. 46
Fig. 47
Fig. 50
Fig. 48 Fig. 49
M4x25 Hex socket
head bolt
Inner support complete
Inner housing complete
1R170
Bearing retainer B
Ball bearing 606ZZ in
Gear housing complete
Spiral bevel
gear 26
Spiral bevel gear 26
Swash bearing portion
Inner housing complete
Cam shaft
M4x12 Hex socket head
bolt (2 pcs.): threadlocking bolt
M4x12 Hex socket head
bolt (2 pcs.): threadlocking bolt
M4x12 Hex socket head bolt (2 pcs):
threadlocking bolt
Piston cylinder portion
1
2
1R139
1R281
Cam shaft
Compression
spring 7
Retaining
ring S-7
Spur gear 10 Ring 8
Ball bearing
606ZZ
Ball bearing
608ZZ
Cam shaft Clutch cam
Sleeve 9
Swash bearing 10
Repair
P 17/22
Swash bearing portion
Bearing
retainer B