P
17
/
19
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-10. Fastening torque
Fasten Hex socket head bolts to the fastening torque listed in Fig. A.
30 - 40 N.m
14
Tool holder
Fig. A
Barrel
Gear cover
M8 x 35
4
Fastening Tool holder to Barrel
30 - 40 N.m
M8 x 40
4
Fastening Barrel to Crank housing complete
Fastening Gear cover to Crank housing complete
Fastening Bearing box to Crank housing complete
Fastening Rear cover to Crank housing complete
Fastening Controller to Crank housing complete
Fastening Handle to Crank housing complete
13 - 16 N.m
M6 x 30
6
4 - 6 N.m
M6 x 30
4
4 - 6 N.m
M6 x 30
6
1 - 2 N.m
M4 x 16
1
13 - 16 N.m
M6 x 20
3
35
35
52
52
74
74
108
108
82
82
117
117
Crank housing
complete
Bearing box
complete
Rear cover
Handle
Controller
Note: Apply ThreeBond 1342 or Loctite 242 to the threads of all Hex socket head bolts.
Bearing box complete and 74 M6x20 Hex socket bolts are assembled to HM1317C and HM1317CB only.
Item No.
Fastening torque
Q’ty
Size
Use for
14
35
[4] MAINTENANCE PROGRAM
1. When replacing carbon brush, it is recommended to replace the following maintenance at the same time for longer
service life of the machine. (Fig. B)
2. Wipe off the old grease from Crank housing complete and Gear cover, and then apply the new grease.
Fig. B
Item No.
Description
X ring 36
O ring 36
O ring 42
O ring 42
O ring 45
Impact
bolt
22
23
30
47
45
Striker
Piston
22
23
30
47
45