Makita HM0860C Technical Information page 2

Handling
Refer to instruction manual for handling of the tool and follow the instructions.
Repair
<1> Necessary repair tools
(Code No.)
1R003 Retaining ring pliers ST-2N 250mm for external ring
1R269 Bearing extractor
1R034 Bearing setting plate 12.2
1R005 Retaining ring pliers RT-2N 250mm for internal ring
1R225 Bearing extractor
1R214 Taper sleeve
<2> Lubrication
Apply a tube (30g) of Makita grease R No. 00 in total to the portions designated by arrows as shown below.
Also apply a little bit of Makita grease N No.2 to the portions by designated by circles.
Contact area of urethane ring 28
and Flat washer 29: 0.1g
Inside lip of tool holder cap
: 0.5g
Contact area of tool retainer
and bull point installed: 0.5g
Surface of steel ball 4.8: 1.0g
<3> Fastening torque for screws/bolts
Fasten various screws/bolts of the tool with specified torque as shown below.
Screws/bolts
M5x20 Pan head screws
5x25 Tapping screws
4x18 Tapping screws
M5x25 Hex. socket head bolt
M6x30 Hex. socket head bolt
M6 Hex. nut
(Tool Name)
Surface of tool holder: 0.2g
Contact area of rubber ring 20
and cup washer 23: 0.2g
Surface of
o-ring 38: 0.2g
Surface of
o-ring 24: 0.5g
Contact area of cup washer
and guide ring: 0.2g
Surface of o-ring 23 and
fluoride ring 28: 1.0g
Surface of urethane ring Surface of striker: 3.0g
and tool holder: 0.1g
Position in use
Handle
Crank cap
Handle
Motor housing
Strain relief
Rear cover
Brush holder cover
Switch box
Crank housing cover
Barrel
Fan
Surface of
o-ring 24: 0.2g
Surface of
pin 8: 0.2g
Surface of
o-ring 26: 0.2g
Contact area of slide sleeve
and cylinder 32: 0.2g
Inside of sleeve: 0.1g
Fastening torque
1.8 up to 3.5 N.m.
1.8 up to 3.5 N.m.
2.5 up to 3.0 N.m
2.5 up to 3.0 N.m
1.3 up to 1.8 N.m
1.3 up to 1.8 N.m
1.3 up to 1.8 N.m
1.3 up to 1.8 N.m
4.9 up to 7.4 N.m
7.8 up to 12.0 N.m
1.8 up to 3.7 N.m
P 2 /14
The remaining Makita grease R. No.00 (25.0g):
In the crank room
Contact area of piston and
crank shaft complete: 0.2g
Contact area of crank shaft
complete and flat washer 14: 0.1g
Contact area of flat washer 14 and
crank housing complete: 0.1g
Engaging area of gears of armature and
crank shaft complete: 0.2g