Troubleshooting - Craftsman 247.88790 Owner's Manual

Problem
Engine fails to start. 1.
2.
3.
4.
5.
6.
7.
8.
Engine runs erratic. 1.
2.
3.
4.
Loss of power. 1.
2.
3.
Engine overheats. 1.
Excessive vibration. 1.
Unit fails 1.
to propel itself.
2.
Unit fails 1.
to discharge snow.
2.
3.
4.
5.
NOTE: This section addresses minor service issues. For further details, contact Sears service information
line by calling 1-800-4-MY-HOME.

TROUBLESHOOTING

Cause
Fuel tank empty, or stale fuel.
Blocked fuel line.
Choke not in ON position
Faulty spark plug.
Safety key not in ignition switch on engine.
Spark plug wire disconnected.
Primer button not being used properly.
Fuel shut-off valve closed. (If Equipped)
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
Spark plug wire loose.
Gas cap vent hole plugged.
Exhaust port plugged.
Carburetor not adjusted properly.
Loose parts or damaged auger.
Drive control cable in need of adjustment.
Drive belt loose or damaged.
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. Fill tank with fresh gasoline.
2. Disconnect fuel line at carburetor to drain
fuel tank; fill tank with clean, fresh gasoline.
3. Move switch to ON position
4. Clean, adjust gap or replace.
5. Insert the key fully into the switch.
6. Connect spark plug wire.
7. Refer to To Start Engine section in manual.
8. Open fuel shut-off valve. (If Equipped)
1. Move choke lever to OFF position.
2. Disconnect fuel line at carburetor to drain
fuel tank; fill tank with clean, fresh gasoline.
3. Drain fuel tank and carburetor. Refill with
fresh fuel.
4. Contact 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. Contact Sears Parts & Repair Center.
1. Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts. If
vibration continues, have unit serviced by a
Sears Parts & Repair Center.
1. Adjust drive control cable. Refer to
Adjustments.
2. Replace drive belt.
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 Final Adjustments on page 6.
4. Refer to Service & Adjustments section.
5. Replace with new shear pin(s).
21
Remedy