Page 38 — English
Problem Possible Cause Solution
Engine starts, runs,
and accelerates but
will not idle.
Chain turns at idle.
Carburetor requires
adjustment to idle speed.
Carburetor requires
adjustment to idle speed.
Air leak in the intake
system.
Turn idle speed screw “T” clockwise to increase idle speed.
Refer to Adjusting the Carburetor in the Maintenance section of
this manual.
Turn idle speed screw “T” counterclockwise to decrease speed.
Refer to Adjusting the Carburetor in the Maintenance section of
this manual.
Contact an authorized service center for a rebuild kit.
Bar and chain running
hot and smoking.
Chain oil tank empty.
Chain tension is too tight.
Oiler is not
functioning.
Oil tank should be filled every time fuel tank is filled.
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 lubri-
cant dripping from safety tip and guide bar. If lubricant is present,
the chain may be dull or bar may be damaged. If no lubricant is on
the safety tip, contact an authorized service center.
Engine starts and
runs, but chain is not
rotating.
Chain brake is
engaged.
Chain tension is too tight.
Guide bar and
chain assembled incor-
rectly.
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.
If problem persists after trying the above solutions, contact customer service or a qualified service
center for assistance.
NOTICE:
As the equipment owner, you are responsible for the performance of the required maintenance listed
in the Maintenance section. It is recommended that you retain all receipts covering maintenance on
your equipment. Neglecting or failing to perform the required maintenance may increase emissions,
decrease fuel efficiency, degrade performance, cause irreversible engine damage and/or void your
warranty.
This product has a Three-year Limited Warranty for personal, family,
or household use (30 days for business or commercial use).
For warranty details, visit www.blackmaxtools.com
or call (toll free) 1-800-726-5760.
TROUBLESHOOTING
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