Makita 9921 Instruction Manual page 9

MAINTENANCE
CAUTION:
Always be sure that the tool
is
switched off and unplugged before attempting to perform
inspection or maintenance.
Remove and check the carbon brushes
regularly. 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.
L
Limit
mark
To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjust-
ment should be performed by Makita Authorized or Factory Service Centers, always using
Makita replacement parts.
9