Murray 1740873 - Manuel (Page 15)

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TROUBLE SHOOTING CHART
TROUBLE CAUSE CORRECTION
Difficult starting Defective spark plug. Replace 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
gasoline. Clean fuel line; check fuel supply; add fresh
gasoline.
Engine stalls Unit running on CHOKE. Set choke lever to RUN position.
Engine runs erratic;
Loss of power Water or dirt in fuel system. Use carburetor bowl drain to flush and refill with
fresh fuel.
Excessive vibration Loose parts: damaged impeller. Stop engine immediately and disconnect spark
plug wire. Tighten all bolts and make all
necessary repairs. If vibration continues, have
the unit serviced by a competent repairman.
Unit fails to propel itself Drive belt loose or damaged. Replace drive belt.
Incorrect adjustment of traction drive cable. Adjust traction drive cable.
Worn or damaged friction wheel. Replace friction wheel.
Unit fails to discharge snow Auger drive belt loose or damaged. Adjust auger drive belt; replace if damaged.
Auger control cable not adjusted correctly. Adjust auger control cable.
Shear bolt broken. Replace shear bolt.
Discharge chute clogged. 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.