17
Problem Possible Cause Solution
Bar and chain running
hot and smoking.
Chain oil tank empty.
Chain tension is too tight.
Oiler is not functioning.
Clogged oil passages.
Oil tank should be fi lled every time fuel tank is fi lled.
Tension chain per instructions in Adjusting the Chain Tension in
the Maintenance section of this manual.
Run at half throttle 30 to 45 seconds. Stop saw and check for oil
dripping from guide bar. If oil is present, the chain may be dull or
bar may be damaged.
Remove the clutch cover and guide bar plate and clean oil passages
with a stiff-bristle brush.
Engine starts and
runs, but chain is not
rotating.
Chain brake is engaged.
Chain tension is too tight.
Guide bar and chain
assembled incorrectly.
Guide bar and/or chain are
damaged.
Drive sprocket teeth
damaged
Release chain brake. Refer to Operating the Chain Brake in the
Operation section of this manual.
Tension chain per instructions in Adjusting the Chain Tension in
the Maintenance section of this manual.
Refer to Replacing the Guide Bar and Chain in the
Maintenance section of this manual
Inspect guide bar and chain for damage.
Contact an authorized service center for drive sprocket
replacement.
TROUBLESHOOTING
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