Craftsman 536.88644 User Manual page 29

TROUBLE CORRECTION
Difficult starting Replace spark plug.
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 Clean fuel line; check fuel
tank, or stale gasoline supply; add fresh gasoline
Engine stalls Unit running on CHOKE. Set choke lever to RUN
)osition.
Engine runs erratic; Water or dirt in fuel system. Use carburetor bowl drain to
Loss of power flush and refill with fresh fuel.
Excessive vibration Loose parts: damaged
impeller
Unit fails to propel itself
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 Craftsman
service repairman.
Drive belt loose or damaged. Replace drive belt.
Incorrect adjustment of Adjust traction drive cable.
traction drive cable
Worn or damaged friction Replace friction wheel.
wheel.
Auger drive belt loose or
damaged.
Unit fails to discharge
snow
Adjust auger drive belt;
replace if damaged.
Auger control cable not Adjust auger control cable.
adjusted correctly.
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 Stop engine immediately and
auger disconnect spark plug wire.
Remove object from auger.
F-001087J 29