Maintenance - Makita HM1801 Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Assembling Handle
See Fig. 35.
When mounting Handle and Side handle, be sure to:
a) Place Handle (on which Switch and Switch lever
are installed) on the side where oil gauge cap is
installed.
b) Place Side handle on the opposite side.

[4] Maintenance

When replacing carbon brush, it is recommended to do the following maintenance at the same time for longer service life
of the machine:
1) Replace the following parts (Fig. 36);
56. O ring 52 mounted to Piston
58. O ring 52 mounted to Striker
84. O ring 53 mounted to Cylinder B
98. X ring 40 mounted to Tool holder 29
100. O ring 60 mounted to Impact bolt holder
Fig. 36
56
Piston
2) Additionally apply approx. 60g of Makita grease R No.00 to the inside of Crank housing complete.
58 84
Striker
Fig. 35
Side handle
100
Cylinder B Impact bolt holder
P 12 / 18
Switch lever
Handle
Oil gauge cap
98
Tool holder 29