Trouble Shooting Chart - Murray 621450X4NA Instruction Book

TROUBLE SHOOTING CHART
TROUBLE CORRECTION
Difficult starting Repiace spark plug.
ENGLISH
CAUSE
Defective spark plug.
Water or dirt in fuel system.
Use carburetor bowl drain to flush and refill with
fresh fuel.
Engine runs erratic Blocked fuel line, empty gas tank, or stale Clean fuel line; check fuel supply; add fresh
gasoline gasoline
Engine stalls Unit running on CHOKE. Set choke lever to RUN position.
Engine runs erratic; Water or dirt in fuel system. Use carburetor bowl drain to flush and refill with
Loss of power fresh fuel.
Excessive vibration Loose parts: damaged impeller Stop engine immediately and disconnect spark
plug wire. Tighten alI bolts and make all
necessary repairs. If vibration continues, have
the unit serviced by a competent repairman.
Unit fails to propel itself Replace drive belt.
Unit fails to discharge snow Adjust auger drive belt; replace if damaged.
Drive belt loose or damaged.
Auger drive belt loose or damaged.
Auger control cable not adjusted correctly.
Discharge chute clogged.
Adjust auger control cable.
Stop engine immediately and disconnect spark
plug wire. Clean discharge chute and inside of
auger housing.
Foreign object lodged in auger Stop engine immediately and disconnect spark
plug wire. Remove object from auger.
F-021003C 14