Maintenance Program - Makita HM1213C Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-8 Fastening torque
Fasten the specific bolts and screws to the appropriated torques. (Fig.34)
Fig. 34
Item No.
15 M5x25 Hex socket head bolt
19 M8x35 Hex socket head bolt
63
M6x40 H. S. button head screw

[4] MAINTENANCE PROGRAM

When replacing carbon brush, it is recommended to replace the following parts at the same time for longer service life
of the machine. (Fig. 35)
Be sure to apply the appropriate greases to the specific portions. Refer to Figs. 4, 5 and 6.
Fig. 35
Item No.
1
21
23
25
26
25
26
27
Impact bolt
Shoulder sleeve
Crank housing cover
Description
Q'ty
1
4
6
Descriptions
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
30
Striker
Piston
15
19
Crank housing
Fastening torque
3 - 3.5 N.m
Gear housing
30 - 40 N.m
4.0- 4.5 N.m
Motor housing
Item No.
27 O ring 23 on Impact bolt
30 Rubber ring 24
33 O ring 31.5 on Striker
38 O ring 31.5 on Piston
40 O ring 35 on Piston
Chuck cover
Barrel complete
33
38
40
Barrel complete
Descriptions
1
21
Flat washer 39
Tool holder
P 15/ 17
63
23