Bolens 933 SWE Snow Blower User Manual


 
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Problem Cause Remedy
Engine fails to start Choke control not in ON position.
Spark plug wire disconnected.
Fuel tank empty or stale fuel.
Engine not primed.
Faulty spark plug.
Safety key not inserted .
1.
2.
3.
4.
5.
6.
Move choke control to ON position.
Connect wire to spark plug.
Fill tank with clean, fresh gasoline.
Prime engine as instructed in the Operation
section.
Clean, adjust gap, or replace spark plug.
Insert key fully into the switch.
1.
2.
3.
4.
5.
6.
Engine runs erratic Engine running on CHOKE.
Stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
1.
2.
3.
4.
Move choke control to OFF position.
Fill tank with clean, fresh gasoline.
Drain fuel tank. Refill with fresh fuel.
Contact a Tecumseh Engine Service Center.
1.
2.
3.
4.
Engine overheats Carburetor not adjusted properly.1. Contact a Tecumseh Engine Service Center.1.
Excessive vibration Loose parts or damaged auger.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.
1.
2.
Connect spark plug wire.
Remove ice and snow from gas cap. Be
certain vent hole is clear.
1.
2.
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
Maintenance & Adjustments section.
Replace drive belt. Refer to Service section
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.
Adjust auger control cable. Refer to Assembly
& Set-Up section.
Replace auger belt refer to Service section.
Replace shear pin(s).
1.
2.
3.
4.
5.
Troubleshooting
8
22