Husqvarna CT20 - Manual (Page 23)

TROUBLE SHOOTING CHART
23 MS−3615MA
TROUBLE CAUSE CORRECTION
Engine difficult to start
or
Engine runs erratically
or
Engine will not run at full
speed
Stale fuel mixture Drain fuel tank. Fill with fresh
fuel mixture.
Too much oil in fuel mixture Check fuel mixture chart and
mix fresh fuel.
Dirt in fuel tank or out of fuel Clean fuel tank.
Carburetor out of adjustment See Carburetor Adjustment
section.
Fouled spark plug Clean and set spark plug
gap.
Dirty air filter Clean and oil air filter.
Engine speed does not
increase properly
Debris interfering with throttle
linkage
Clean dirt and debris off top
of carburetor.
Engine smokes
excessively
Plugged air filter
Too much oil in fuel mixture
Clean and oil air filter.
Check fuel mix chart and mix
fresh fuel.
Tines continue to rotate
when throttle control is
released
Carburetor out of adjustment Adjust carburetor idle speed.
See “How To Adjust The
Carburetor” in the
Maintenance section.
Tines will not turn Debris lodged in tine Remove debris. See “How
To Clean The Tines” in the
Maintenance section.
Unit does not till properly Incorrect tine installation Check the tines for proper
installation. See “How To
Remove And Install The
Tines” in the Service And
Adjustments section.