Troubleshooting - Cub Cadet 930 SWE Operator's Manual

Troubleshooting

Problem
Engine fails to start
Engine runs erratic /
inconsistent RPM (hunting
or surging)
Engine overheats
Excessive vibration
Loss of power
Unit fails to propel itself
Unit fails to discharge snow
Cause
1. Choke not in CHOKE position.
2. Spark plug wire disconnected.
3. Fuel tank empty or stale fuel.
4. Engine not primed.
5. Faulty spark plug.
6. Safety key not in ignition on engine.
7. Extension cord not connected (when
using electric start button, on models so
equipped).
1. Engine running on CHOKE.
2. Stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
5. Over-governed engine.
1. Carburetor not adjusted properly.
1. Loose parts or damaged auger.
1. Spark plug wire loose.
2. Gas cap vent hole plugged.
1. Drive control cable in need of adjustment.
2. Drive belt loose or damaged.
3. Friction wheel worn.
1. Chute assembly clogged.
2. Foreign object lodged in auger.
3. Auger control cable in need of adjustment.
4. Auger belt loose or damaged.
5. Shear pin(s) sheared.
Remedy
1. Move choke to CHOKE position.
2. Connect wire to spark plug.
3. Fill tank with clean, fresh gasoline.
4. Prime engine as instructed in "Operating
Your Snow Thrower".
5. Clean, adjust gap, or replace.
6. Insert key fully into the switch.
7. Connect one end of the extension cord to
the electric starter outlet and the other end
to a three-prong 120-volt, grounded, AC
outlet.
1. Move choke lever to RUN position.
2. Fill tank with clean, fresh gasoline.
3. Drain fuel tank. Refill with fresh fuel.
4. Contact an authorized Service Center.
5. Contact an authorized Service Center.
1. Contact an authorized Service Center.
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. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
1. Adjust drive control cable. Refer to
Maintenance section
2. Replace drive belt.
3. Replace Friction Wheel.
1. Stop engine immediately and disconnect
spark plug wire. Clean chute assembly and
inside of auger housing with clean-out tool
or a stick.
2. Stop engine immediately and disconnect
spark plug wire. Remove object from auger
with clean-out tool or a stick.
3. Refer to Auger Control Test.
4. Refer to Maintenance section.
5. Replace with new shear pin(s).
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