SECTION 9: TROUBLESHOOTING
Problem
Cause
Remedy
Engine fails to start.
1.
2.
3.
4.
5.
6.
7.
8.
Fuel tank empty, or stale fuel.
Blocked fuel line.
Choke not in ON position
1.
2.
3.
4.
5.
6.
7.
8.
Fill tank with fresh gasoline.
Clean the fuel line.
Move switch to ON position
Clean, adjust gap or replace.
Insert the key fully into the switch.
Connect spark plug wire.
Refer to the engine manual.
Open fuel shut-off valve.
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.
Engine runs erratic.
Loss of power.
1.
2.
Unit running on CHOKE.
Blocked fuel line or stale fuel.
1.
2.
Move choke lever to OFF position.
Clean fuel line and fill tank with clean, fresh
gasoline.
Drain fuel tank and carburetor. Refill with
fresh fuel.
3.
Water or dirt in fuel system.
3.
4.
Carburetor out of adjustment.
4.
Refer to the engine manual.
1.
2.
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.
3.
1.
Exhaust port plugged.
3.
1.
Refer to the engine manual.
Engine overheats.
Excessive vibration.
Carburetor not adjusted properly.
Refer to the engine manual or have the
carburetor adjusted by an authorized
engine service dealer.
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
an authorized service dealer.
Unit fails
to propel itself.
1.
Traction control cable in need of adjustment.
1.
Adjust traction control cable. Refer to pages
6 and 12.
2.
1.
Drive belt loose or damaged.
Discharge chute clogged.
2.
1.
Replace drive belt. Refer to page 14.
Unit fails
to discharge snow.
Stop engine immediately and disconnect
spark plug wire. Clean discharge chute and
inside of auger housing.
2.
Foreign object lodged in auger.
2.
Stop engine immediately and disconnect
spark plug wire. Remove object from auger.
Refer to page 6 for adjustment instructions.
Refer to page 14.
3.
4.
5.
Auger control cable in need of adjustment.
Auger belt loose or damaged.
Shear bolt(s) sheared.
3.
4.
5.
Replace shear bolt(s)
Electric chute fails to
turn.
1.
Loose electrical connections.
1.
Make sure all connections are tight and fully
installed.
2.
Blown Fuse.
2.
Replace with #5A fuse. The fuse is under
handle panel near switch connector.
Electric chute turns in
opposite direction of
the switch.
1.
The switch connector is installed backwards.
1.
Unplug the switch connector under the
handle panel. Turn connector 180° and
reconnect.
Heated grips are not
creating heat.
1.
2.
3.
Loose electrical connections.
Blown fuse.
1.
2.
3.
Under the handle panel, check connections
from the handles to the wiring harness.
Replace with #5A fuse. The fuse is under
handle panel near switch connector.
Have the grips checked at an authorized
service dealer.
Faulty grip. If one heated grip fails, both grips
will not function.
17
| Categories | MTD Snow Blower Manuals, Snow Blower Manuals, Yard Man Snow Blower Manuals |
|---|---|
| Tags | MTD 31AH553G401, MTD Snow Blower Manual, Yard Man 31AH553G401 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Yard-Man, 31AH553G401, Snow Blower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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