MTD 312-980I000 - Manual (Page 18)

TROUBL.E SHOOTING GUIDE
Trouble Possible Cau!>e(s) Corrective Action
Engine fails to start 1. Fuel tank empty, or stale fuel.
2. Blocked fu€ 1 line.
3. Key not in switch on engine.
4. Spark plug wire disconnected.
5. Faulty spark plug.
1. Fill tank with clean, fresh gasoline.
2. Clean fuel line.
3. Insert key.
4. Connect wire to spark plug.
5. Clean, adjust gap or replace.
Engine runs erratic 1. Unit running on CHOKE.
2. Blocked fue I line or stale fuel.
3. Water or diit in fuel system.
4. Carburetor Dut of adjustment.
1. Turn choke knob to OFF position.
2. Clean fuel line; fill tank with clean
fresh gasoline.
3. Use carburetor bowl drain to drain
fuel tank. Refill with fresh fuel.
4. Adjust carburetor. See separate
engine manual.
Loss of power 1. Spark plug wire loose.
2. Gas cap ve It hole plugged.
1. Connect and tighten spark plug
wire.
2. Remove ice and snow from cap.
Be certain vent hole is clear.
Engine overheats 1. Engine oil love! low.
2. Carburetor lot adjusted properly.
1. Fill crankcase with proper oil.
2. Adjust carburetor. See separate
engine manual.
Excessive vibration Loose parts or damaged impeller. Stop engine immediately and
disconnect spark plug wire. Tighten
all bolts and nuts. Make all
necessary repairs. If vibration
continues, have unit serviced by
authorized service dealer.
Hard to shift, or will
not shift
Shift rod mi sadjusted. Readjust shift rod. See Adjustment
section of this manual.
Unit fails to propel itself 1. Unit in neut al.
2. Klick pins n 3t in proper position.
3. Incorrect acjustment of drive clutch.
4. Drive belt Ic ose or damaged.
1. Move shift lever to one of the
forward speeds or reverse (readjust
shift rod if needed).
2. Place klick pins in wheel hub.
3. Adjust drive clutch. Refer to
Adjustment section.
4. Replace drive belt. Refer to
Maintenance section.
Unit fails to discharge
snow
1. Auger shear bolt broken.
2. Discharge c hute clogged.
3. Foreign obj 3ct lodged in auger.
4. Incorrect acjustment of auger drive
clutch.
5. Auger drive belt loose or damaged.
1. Replace auger shear bolt. Refer to
Maintenance section.
2. Stop engine immediately and
disconnect spark plug wire. Clean
discharge chute and inside of auger
housing.
3. Stop engine immediately and
disconnect spark plug wire.
Remove object from auger.
4. Adjust auger clutch. Refer to
Adjustment section.
5. Replace auger drive belt. Refer to
Maintenance section.
NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.
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