MTD 31AS3BAD516 User Manual

15
NOTE: This section
addresses minor
service issues. For
further details, contact
customer assistance.
8
Trouble-
Shooting
CauseProblem Remedy
Engine fails to start
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.
8. Fuel shut-ff valve closed. (If Equipped)
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.
8. Open fuel shut-off valve.
Engine runs erratic
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 Service Center.
1. Unit running on CHOKE.
2. Blocked fuel line or stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
Engine overheats
1. Contact Service Center.1. Carburetor not adjusted properly.
Loss of power
1. Connect and tighten spark plug
wire.
2. Remove ice and snow from gas
cap. Be certain vent hole is clear.
3. Contact Service Center.
1. Spark plug wire loose.
2. Gas cap vent hole plugged.
3. Exhaust port plugged.
Unit fails
to propel itself
1. Adjust drive control cable. Refer to
“Adjustments”.
2. Replace drive belt.
1. Drive control cable in need of adjust-
ment.
2. Drive belt loose or damaged.
Excessive
Vibration
1. Loose parts or damaged auger.
1. Stop engine immediately and
disconnect spark plug wire. Tighten
all bolts and nuts. If vibration
continues, have unit serviced by a
Service Center.
Unit fails
to discharge snow
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 “Auger Control Test” .
4. Refer to Maintenance section.
5. Replace with new shear pin(s).
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.

MTD 31AS3BAD516 Specifications

General

Brand	MTD
Model	31AS3BAD516
Category	Snow Blower
Language	English