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MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and the battery cartridge is removed before
attempting to perform inspection or maintenance.
Replacing carbon brushes
Remove and check the carbon brushes reg-
ularly. Replace when they wear down to
the limit mark. Keep the carbon brushes
clean and free to slip in the holders. Both
carbon brushes should be replaced
at
the
same time. Use only identical carbon
brushes.
Use
a
screwdriver to remove the brush
holder caps. Take out the worn carbon
brushes, insert the new ones and secure
the brush holder caps.
Limit
mark
I
I
I
Fig.
21
Fig. 22
To maintain product SAFETY and RELIABILITY, repairs, maintenance or adjustment should
be performed by Makita Authorized or Factory Service Centers, always using Makita
replacement parts.
Trickle charge (Maintenance charge)
If you leave the battery cartridge in the charger to prevent spontaneous discharging after
full charge, the charger will switch into its "trickle charge (maintenance charge)" mode
and keep the battery cartridge fresh and fully charged.
Tips for maintaining maximum battery life
1.
Charge the battery cartridge before completely discharged.
Always stop tool operation and charge the battery cartridge when you notice less tool
power.
2.
Never recharge
a
fully charged battery cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room temperature at 10°C
-
40°C
(50°F
-
104°F).
Let a hot battery cartridge cool down before charging it.
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