Troubleshooting - Sears Craftsman 247.88790 Manual De Uso

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
NOTE: This section addresses minor service issues. For further details, contact Sears service information line by calling
1-800-4-MY-HOME.

TROUBLESHOOTING

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.
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 hole plugged.
3. Exhaust port plugged.
1. Drive control cable in need of adjust-
ment.
2. Drive belt loose or damaged.
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.
21
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.
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 Sears Parts & Repair Center.
1. Contact Sears Parts & Service Center.
1. Stop engine immediately and discon-
nect spark plug wire. Tighten all bolts
and nuts. If vibration continues, have
unit serviced by a Sears Parts & Repair
Center.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
3. Contact Sears Parts & Repair Center.
1. Adjust drive control cable. Refer to
Adjustments.
2. Replace drive belt.
1. Stop engine immediately and discon-
nect spark plug wire. Clean chute
assembly and inside of auger housing
with clean-out tool or a stick.
2. Stop engine immediately and discon-
nect spark plug wire. Remove object
from auger with clean-out tool or a
stick.
3. Refer to Service & Adjustments section.
4. Refer to Service & Adjustments section.
5. Replace with new shear pin(s).