R
epair
[3] ASSEMBLY/ DISASSEMBLY
[3]-4. Crank section
DISASSEMBLING
Gear housing
complete
Armature
Set
Crank pin
at dead point on Handle
assembling side as illustrated bellow.
1 Strike Crank housing as illustrated below.
Crank shaft
is
removed together with Helical gear 57 and Ball bearing 6206LLU.
2
Piston
can be removed together with Connecting rod.
Crank cap cover
Crank cap
Seal ring
M4x18 Pan head screw (4pcs.)
Disassemble Gear housing complete
with Armature from Crank housing.
Disassemble Crank cap cover, Crank
cap, Seal ring by unscrewing four
M4x18 Pan head screws.
Fig. 21
Fig. 22
Air pipe
Remove Air pipe
(only for HM1213C).
Filter can be removed
from Crank cap.
Crank cap
Filter
Fig. 23
Connecting rod
Crank pin
at dead center point
of Connecting rod
1
2
Crank shaft
Ball bearing 6206LLU
Helical gear 57
Connecting rod
Piston
Flat washer 12
O ring 31.5
O ring 35
Replace O ring 35 and O ring 31.5 with the new ones in the following cases.
* When damage or wear is recognized.
* When carbon brush is replaced.
Piston
(6) Disassemble Crank section as illustrated in
Figs. 21, 22 and 23.
P 1
0
/ 1
7
