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Problem Cause Remedy
Engine fails to start Choke not in ON position.1.
Spark plug wire disconnected.2.
Fuel tank empty or stale fuel.3.
Engine not primed.4.
Faulty spark plug. 5.
Safety key not in ignition on engine.6.
Move choke to ON position.1.
Connect wire to spark plug.2.
Fill tank with clean, fresh gasoline.3.
Prime engine as instructed in “Operating 4.
Your Snow Thrower”.
Clean, adjust gap, or replace.5.
Insert key fully into the switch.6.
Engine runs erratic Engine running on CHOKE.1.
Stale fuel.2.
Water or dirt in fuel system.3.
Carburetor out of adjustment.4.
Move choke lever to OFF position.1.
Fill tank with clean, fresh gasoline.2.
Drain fuel tank. Refill with fresh fuel.3.
Contact an authorized Service Center.4.
Engine overheats Carburetor not adjusted properly.1. Contact an authorized Service Center.1.
Excessive vibration Loose parts or damaged auger.1. Stop engine immediately and disconnect 1.
spark plug wire. Tighten all bolts and nuts. If
vibration continues, have unit serviced by an
authorized Service Center.
Loss of power Spark plug wire loose.1.
Gas cap vent hole plugged.2.
Connect and tighten spark plug wire.1.
Remove ice and snow from gas cap. Be 2.
certain vent hole is clear.
Unit fails to propel itself Drive control cable in need of adjustment. 1.
Drive belt loose or damaged.2.
Friction wheel worn.3.
Adjust drive control cable. Refer to 1.
Maintenance and Adjustments section.
Replace drive belt. Refer to Service section2.
Replace friction wheel. Refer to Service 3.
section.
Unit fails to discharge snow Chute assembly clogged. 1.
Foreign object lodged in auger. 2.
Auger control cable in need of adjustment.3.
Auger belt loose or damaged.4.
Shear pin(s) sheared.5.
Stop engine immediately and disconnect 1.
spark plug wire. Clean chute assembly and
inside of auger housing with clean-out tool
or a stick.
Stop engine immediately and disconnect 2.
spark plug wire. Remove object from auger
with clean-out tool or a stick.
Refer to Auger Control Test.3.
Refer to Maintenance section.4.
Replace with new shear pin(s).5.
Troubleshooting
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