Troubleshooting - MTD 31AM62EE000 Operator's Manual

Troubleshooting
9
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
Cause
1. Choke not in ON position.
2. Spark plug wire disconnected.
3. Fuel tankempty or stale fuel.
4. Engine not primed.
5. Faulty spark plug.
6. Safety key not in ignition on engine.
1. Engine running on CHOKE.
2. 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.
1. Drive control cable in need of adjustment.
2. Drive belt loose or damaged.
1. Chute assembly clogged.
2. Foreign object lodged in auger.
3. Auger control cable in need of adjustment.
4. Auger belt loose or damaged.
5. Shear pin(s) sheared.
Remedy
1. Move choke to ON position.
2. Connectwire to spark plug.
3. Fill tankwlth clean, fresh gasoline.
4. Prime engine as instructed in "Operating
Your Snow Thrower"
5. Clean, adjust gap, or replace.
6. Insert key fully into the switch.
1. Move choke lever to OFF position.
2. Fill tank with clean, fresh gasoline.
3. Drain fuel tank. Refill with fresh fuel.
4. Contact an authorized Service Center.
1. Contact an authorized Service Center.
1. Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts. If
vibration continues, have unit serviced by an
authorized Service Center.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
1. Adjust drive control cable. Refer to
Maintenance and Adjustments section
2. Replace drive belt.
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.
Refer to Auger Control Test.
Refer to Maintenance section,
Replace with new shear pin(s).