Maintenance - Makita 7104L Instruction Manual

MAINTENANCE
CAUTION :
Always be sure that the tool is switched off and unplugged before attempting to perform
inspection o r maintenance.
Replacing carbon brushes
Remove and check t h e 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 a t the
same time. Use only Makita 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
Lubrication
After use, remove dirt, chips and foreign matter adhering to the tool. Then oil the moving
parts (especially cutter chain) and the contact portions.
Sharpening cutter chain
Remove the chain bar and cutter chain from the tool. Remove the adjusting screw from
the chain bar.
Remove the wing nut, flat washer and hex
bolt from the sharpening holder assembly.
Insert the hex bolt through t h e hole in the
chain bar
so
that its hex head fits properly
into the groove in the chain bar. Secure the
sharpening holder to the chain bar using
the wing nut and flatwasher (semi-tighten).
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Cutter chain
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