P 15/ 17
R
epair
[3] ASSEMBLY/ DISASSEMBLY
[3] -7. Fastening torque
(1) Tighten the specific bolts and screws to the appropriate points. (Refer to
Fig. 29
.)
Fig. 29
Crank housing cover
Barrel complete
Crank housing
Gear housing
Motor housing
Item No.
Fastening torque
Q’ty
Description
1
3 - 3.5 N.m
M5x25 Hex socket head bolt
4
30 - 40 N.m
M8x35 Hex socket head bolt
6
4.0- 4.5 N.m
M6x40 H. S. button head screw
15
19
63
[4] MAINTENANCE PROGRAM
(1) When replacing carbon brushes, it is recommended to replace the following parts at the same time for longer service life
of the machine. (Refer to
Fig. 30
.)
(2) Be sure to apply the appropriate greases to the specific portions. (Refer to
Figs. 1
and
2
.)
Fig. 30
1
21
23
Flat washer 39
Chuck cover
Barrel complete
Tool holder
Impact bolt
25
Item No.
Item No.
Descriptions
Descriptions
26
27
33
38
40
30
Striker
Shoulder sleeve
Piston
1
21
23
25
Tool holder cap
Rubber ring 39
O ring 35.5 on Tool holder
X ring 21 on Impact bolt
Fluoride ring 28 on Impact bolt
26
27
30
33
38
O ring 23 on Impact bolt
Rubber ring 24
O ring 31.5 on Striker
O ring 31.5 on Piston
O ring 35 on Piston
40
15
19
63
