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Check the sprocket (A/1) before mounting a new chain.
CAUTION:
Worn out sprockets (B) may damage the new chain and must
therefore be replaced.
Do not attempt to replace the sprocket yourself. Sprocket
replacement requires special training and tools and must be
done at a MAKITA service centre.
B
A
NOTE:
The carbon brush is very delicate, so be careful not to let it drop.
When taking it out, be sure to note the position it was
installed in, since each brush is run in with the rotor.
- Use the combination wrench to unscrew the cover (C/2),
and then pull out the brush (C/3).
- If the wear limit has not yet been reached, put the brush
back in the same position and screw the cover (C/2) back
on.
- Run the saw briefly (about a minute) so the brushes can run
in again.
IMPORTANT: Now test the run-out brake (see page 14). If the
saw chain does not come to a full stop within two second, run
the saw again briefly and repeat the test until the brake
functions properly.
NOTE: After installing new carbon brushes, run the saw about
5 minutes and then check the run-out brake.
C
System
total
Carbon brushes
Oil tank, oil pump
Brake
Brake
Observation
electric motor does not function
low pulling power
no oil on the saw chain
Saw chain does not stop instantly
Saw chain continues to run
Malfunction
Chain saw does not work
insufficient performance
no chain lubrication
Chain brake
Run-out brake
Trouble shooting
Cause
no power supply,
cable defective
chain brake actuated
Mains fuse blown
Carbon brushes worn down
oil tank empty,
oil guide groove dirty
Brake band worn down
Carbon brushes worn down
Inspecting and replacing
the carbon brushes
IMPORTANT:
Inspect the carbon brushes at regular
intervals! A notch on the brush shows the limit of wear.
Replacing the saw chain
CAUTION: Use only chains and guide bars
designed for this saw (see the Extract from the spare
parts list)!
SERVICE