Cleaning the inside of the chain cover
Remove the chain cover, the saw chain and guide bar.
Clean the inside of the chain cover with a brush.
NOTICE:
Make sure there are no residues or foreign matter remaining in the oil guide groove,
chain tension pin, and brake band.
Cleaning the guide bar
Check the running surfaces of the bar regularly for damage. Clean it with using a
suitable tool.
Cleaning the oil guide
Clean the oil guide groove and oil feed hole in the bar at regular intervals.
Checking the sprocket
CAUTION:
A worn sprocket may damage a new saw chain. Do not use a new chain on a worn
chain sprocket. Check the sprocket before installing a new saw chain. Ask Makita
authorized service center for repair if there are any defect or if the sprocket is worn
out more than 0.5 mm (0.02").
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