Maintenance; Oiling; Replacing Carbon Brushes - Makita HM1301 Instruction Manual

MAINTENANCE
CAUTION
:
ALWAYS be sure that the tool is switched off and unplugged before attempting to per-
form inspection and maintenance.
e
Oiling
Oiling should be performed every three
hours (once a day before use). Hold the
tool vertically and pull the lubrication
knob three to five times. Oil in the tank
should be replenished about every 20
days, presuming 3 - 4 hours' operation
daily, or when oil is out of sight through
the window after placing the tool ver-
tically.
To replenish,
wrench.
remove oil gauge with a
0
Replacing carbon brushes
Both carbon brushes should be replaced
after about 150 hours of use. When the
resin insulating tip inside the carbon
brush
i s
exposed to contact the com-
mutator,
it
will automatically shut off
the motor. If carbon brushes wear out
too quickly, ask Makita Authorized or
Factory Service Centers to determine
the cause before replacing them. Use only
Makita carbon brushes.
Fig.
6
Insulating tip
>f--
Fig.
8
7