Sears 247.8879 Snow Blower User Manual


 
23
TROUBLESHOOTING
Problem Cause Remedy
Engine fails to start Choke control not in ON position
Spark plug wire disconnected
Faulty spark plug
Fuel tank empty or stale fuel
Engine not primed.
Safety key not inserted.
1.
2.
3.
4.
5.
6.
Move choke control to ON position.
Connect wire to spark plug.
Clean, adjust gap, or replace.
Fill tank with clean, fresh gasoline.
Prime engine as instructed in the Operation Section.
Insert key fully into the switch.
1.
2.
3.
4.
5.
6.
Engine runs erratically 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 your Sears Parts & Repair Center.
1.
2.
3.
4.
Engine overheats Carburetor not adjusted properly1. Contact your Sears Parts & Repair Center.1.
Excessive vibration Loose parts or damaged auger1. 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.
Loss of power Spark plug wire loose.
Gas cap vent hole plugged.
1.
2.
Connect and tighten spark plug wire.
Remove ice and snow from gas cap. Be certain vent
hole is clear.
1.
2.
Unit fails to propel itself Drive cable in need of adjustment
Drive belt loose or damaged
1.
2.
Adjust drive control cable. Refer to Service and
Maintenance section.
Replace drive belt. Refer to Service and Mainte-
nance section.
1.
2.
Unit fails to discharge snow Chute assembly clogged.
Foreign object lodged in auger.
Auger 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
section.
Replace auger belt. Refer to Service and Mainte-
nance section.
Replace with new shear pin(s).
1.
2.
3.
4.
5.
This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, simply contact Sears
at 1-800-4-MY-HOME®.
WARNING
Before performing any type of maintenance/service, disengage all
controls and stop the engine. Wait until all moving parts have come to
a complete stop. Disconnect spark plug wire and ground it against the
engine to prevent unintended starting. Always wear safety glasses during
operation or while performing any adjustments or repairs.