SECTION9: TROUBLESHOOTING
Problem
Cause
Remedy
Engine fails to start
1. Fuel tank empty, or stale fuel.
1. Fill tank with clean, fresh gasoline.
Fuel becomes stale after thirty days
unless a fuel stabilizer is used.
2. Clean the fuel line.
3. Move switch to ON position
4. Clean, adjust gap or replace.
2.
3.
4.
5.
6.
7.
8.
Blocked fuel line.
Choke not in ON position
Faulty spark plug.
Safety key not in ignition switch on engine. 5. Insert the key fully into the switch.
Spark plug wire disconnected.
6. Connect spark plug wire.
7. Refer to the engine manual.
8. Open fuel shut-off valve.
Primer button not being used properly.
Fuel shut-off valve (if equipped) closed.
Engine runs erratic
1. Unit running on CHOKE.
1. Move choke lever to OFF position.
2. Clean fuel line; fill tank with clean,
fresh gasoline.
3. Drain fuel tank and carburetor. Refill
with fresh fuel.
4. Refer to the engine manual or have
carburetor adjusted by an authorized
engine service dealer.
2.
3.
4.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
Loss of power
1. Spark plug wire loose.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap.
Be certain vent hole is clear.
2.
Gas cap vent hole plugged.
3.
Exhaust port plugged.
3. Refer to the engine manual.
Engine overheats
1. Carburetor not adjusted properly.
1. Loose parts or damaged auger.
1. Refer to the engine manual or have
the carburetor adjusted by an
authorized engine service dealer.
Excessive vibration
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 7 and 12.
2.
Drive belt loose or damaged.
2. Replace drive belt. Refer to page 14.
Unit fails
to discharge snow
1. Discharge chute clogged.
1. Stop engine immediately and
disconnect spark plug wire. Clean
discharge chute and inside of auger
housing.
2.
3.
Foreign object lodged in auger.
2. Stop engine immediately and
disconnect spark plug wire. Remove
object from auger.
3. Adjust auger control cable. Refer to
page 7.
Auger control cable in need of adjustment.
4.
5.
Auger belt loose or damaged.
Shear bolts sherared.
4. Refer to page 14.
5. Replace shear bolts.
17
| Categories | MTD Snow Blower Manuals, Snow Blower Manuals, Yard Man Snow Blower Manuals |
|---|---|
| Tags | MTD 31AE633E401, MTD 31AE663H401, MTD Snow Blower Manual, Yard Man 31AE633E401, Yard Man 31AE663H401 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Snow Blower, Yard-Man, 31AE633E401, 31AE663H401, Snow Blower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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