Makita HR4013C Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-3. Crank housing, Cylinder, Counter weight
(3) Remove Drive sleeve by pushing the end of Link plate from Crank side. Then, remove Guide ring. (Fig. 12)
Fig. 12
Driving sleeve
(4) Put three pieces of 1R350 on Crank housing complete, and then remove Cylinder from Crank housing with 1R213
through the holes of the three pieces of 1R350. (Fig. 13)
(5) Remove Spiral bevel gear 26 from Crank housing carefully so as not to be tilted. (Fig. 14)
When Spiral bevel gear 26 is tilted in Crank housing in the disassembly process;
- it is impossible to remove Spiral bevel gear 26.
- Plane bearing 54 in Crank housing is harmed.
Fig. 13
1R213
1R350
(3 pcs.)
Insert the two pins of 1R213 into the holes of Cylinder,
and then turn the handle of 1R213
Link plate
Fig. 14
Spiral bevel gear 26
Cylinder
Crank housing
complete
Plane bearing 54
(The component of Crank housing)
P 8/ 19
Guide ring