Troubleshooting - Yard-Man 31BH763G401 Operator's Manual

SECTION 8: TROUBLESHOOTING
Problem
Engine fails to start 1.
2.
3.
4.
5.
6.
7.
8.
Engine runs erratic 1.
2.
3.
Loss of power 1.
2.
Excessive vibration 1.
Unit fails 1.
to propel itself 2.
Unit fails 1.
to discharge snow
2.
3.
4.
5.
6.
Electric chute fails to 1.
turn
2.
Electric chute turns in 1.
opposite direction of the
switch
Cause
Fuel tank empty, or stale fuel.
Blocked fuel line.
Choke not in the 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.
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in the fuel system.
Spark plug wire loose.
Gas cap vent hole plugged.
Loose parts or damaged auger.
Traction control cable in need of adjustment.
Drive belt loose or damaged.
Discharge chute clogged.
Shear bolt sheared.
Foreign object lodged in auger.
Auger control cable in need of adjustment.
Auger belt loose or damaged.
Shear bolt(s) sheared.
Loose electrical connections.
Blown Fuse.
The switch connector is installed backwards 1.
1. Fill tank with clean, fresh gasoline. Fuel
becomes stale after thirty days.
2. Clean the fuel line.
3. Move switch to the ON position
4. Clean, adjust gap or replace.
5. Insert the key fully into the switch.
6. Connect spark plug wire.
7. Refer to the engine manual.
8. Open fuel shut-off valve.
1. Move the choke lever to OFF position.
2. Clean the fuel line; fill the tank with clean,
fresh gasoline.
3. Drain the fuel tank and carburetor. Refill with
fresh fuel.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
1. Stop the engine immediately and disconnect
the spark plug wire. Tighten all bolts and nuts.
If vibration continues, have the unit serviced
by an authorized service dealer.
1. Adjust traction control cable. Refer to Making
Adjustment Section.
2. Replace drive belt. Refer to the Service
Section.
1. Stop engine and disconnect spark plug wire.
Clean discharge chute and inside of auger
housing.
2. Replace shear bolt.
3. Stop engine immediately and disconnect
spark plug wire. Remove object from auger.
4. Adjust auger control cable. Refer to the
Making Adjustments Section.
5. Refer to Service Section.
6. Replace shear bolt(s).
1. Make sure all connections are tight and fully
installed.
2. Replace fuse. Located under handle panel
near switch connector.
Unplug the switch connector under the handle
panel. Turn connector 180° and reconnect.
16
Remedy