Troubleshooting - Craftsman C459-52831 Operator's Manual

This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, simply contact Sears at
Problem
Engine fails to start
Engine runs erratic
Engine overheats
Excessive
Vibration
Loss of power
Unit fails
to propel itself
Unit fails
to discharge snow

TROUBLESHOOTING

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Cause
1. Choke not in ON position.
2. Spark plug wire disconnected.
3. Fuel tank empty or stale fuel.
4. Engine not primed.
5. Faulty spark plug.
6. Blocked fuel line.
7. Safety key not in ignition on engine.
8. Fuel shut-ff valve closed. (If Equipped)
1. Unit running on CHOKE.
2. Blocked fuel line or stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
1. Carburetor not adjusted properly.
1. Loose parts or damaged auger.
1. Spark plug wire loose.
2. Gas cap vent plugged.
3. Exhaust port plugged.
1. Drive control cable in need of adjust-
ment.
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 adjust-
ment.
4. Auger belt loose or damaged.
5. Shear pin(s) sheared.
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Remedy
1. Move choke to ON 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. Clean fuel line.
7. Insert key fully into the switch.
8. Open fuel shut-off valve.
1. Move choke lever to OFF position.
2. Clean fuel line; fill tank with clean,
fresh gasoline.
3. Drain fuel tank. Refill with
fresh fuel.
4. Contact Service Center.
1. Contact Service Center.
1. Stop engine immediately and
disconnect spark plug wire. Tighten
all bolts and nuts. If vibration
continues, have unit serviced by a
Service Center.
1. Connect and tighten spark plug
wire.
2. Remove ice and snow from gas
cap. Be certain vent is clear.
3. Contact Service Center.
1. Adjust drive control cable. Refer to
"Adjustments".
2. Replace drive belt.
3. Replace friciton 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).