Troubleshooting
7
22
Problem
Cause
Remedy
Engine fails to start
Choke not in ON position.
Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Engine not primed.
Faulty spark plug.
Blocked fuel line.
Safety key not in ignition on engine.
1.
2.
3.
4.
5.
6.
7.
Move choke to ON position.
Connect wire to spark plug.
Fill tank with clean, fresh gasoline.
Prime engine as instructed in “Operating
Your Snow Thrower”.
Clean, adjust gap, or replace.
Clean fuel line.
Insert key fully into the switch.
1.
2.
3.
4.
5.
6.
7.
Engine runs erratic
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
1.
2.
3.
4.
Move choke lever to OFF position.
Clean fuel line; fill tank with clean, fresh
gasoline.
Drain fuel tank. Refill with fresh fuel.
Contact an authorized Service Center.
1.
2.
3.
4.
Engine overheats
Carburetor not adjusted properly.
1.
Contact Service Center.
1.
Excessive vibration
Loose parts or damaged auger.
1.
1. Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts. If
vibration continues, have unit serviced by an
authorized Service Center.
1.
Loss of power
Spark plug wire loose.
Gas cap vent hole plugged.
Exhaust port plugged.
1.
2.
3.
Connect and tighten spark plug wire.
Remove ice and snow from gas cap. Be
certain vent hole is clear.
Contact Service Center.
1.
2.
3.
Unit fails to propel itself
Drive control cable in need of adjustment.
Drive belt loose or damaged.
1.
2.
Adjust drive control cable. Refer to “Making
Adjustments”.
Replace drive belt.
1.
2.
Unit fails to discharge snow
Chute assembly clogged.
Foreign object lodged in auger.
Auger control cable in need of adjustment.
Auger belt loose or damaged.
Shear pin(s) sheared.
1.
2.
3.
4.
5.
Stop engine immediately and disconnect
spark plug wire. Clean chute assembly and
inside of auger housing with clean-out tool
or a stick.
Stop engine immediately and disconnect
spark plug wire. Remove object from auger
with clean-out tool or a stick.
Refer to Auger Control Test.
Refer to Maintenance section.
Replace with new shear pin(s).
1.
2.
3.
4.
5.
Troubleshooting
8
22
