Trouble Shooting - MTD 3BA Operator's Manual

Off-Season Storage
WARNING:
Never store engine with fuel in
tank indoors or in poorly ventilated areas,
where fuel fumes may reach an open flame,
spark or pilot light as on a furnace, water
heater, clothes dryer or other gas appliance.
• If unit is to be stored over 30 days, prepare engine
for storage as instructed in the engine manual.
SECTION 8: TROUBLESHOOTING
Problem
Engine fails to start 1. Fuel tank empty, or stale fuel.
2. Blocked fuel line.
3. Choke not ON.
4. Faulty spark plug.
5. Key not in ignition switch.
6. Spark plug wire disconnected.
7. Primer not used properly.
Engine runs erratic 1. Unit running at FULL choke.
2. Blocked fuel line or stale gasoline.
3. Water or dirt in fuel system.
Engine loses power 1. Spark plug wire loose.
2. Gas cap vent hole plugged.
Excessive vibration 1. Loose parts or damaged auger.
Unit fails to propel 1. Drive belt loose or damaged.
itself
Unit fails to 1. Chute assembly clogged.
discharge snow
2. Shear pin sheared.
3. Foreign object lodged in auger.
4. Auger control cable out of adjustment.
5. Auger belt loose or damaged.
Augers continue to 1. Cable out of adjustment.
rotate
NOTE: For repairs beyond minor adjustments listed above, contact an authorized service dealer.
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NOTE: When storing any type of power equipment in an
unventilated or metal storage shed, care should be
taken to rustproof the equipment. Using a light oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
Possible Cause
14
Remove all debris from the exterior of equipment.
Follow lubrication recommendations on page 11.
Always store the snow thrower in a clean, dry area.
1. Fill tank with fresh gasoline.
2. Clean the fuel line.
3. Turn Choke knob to ON position.
4. Clean, adjust or replace spark plug.
5. Insert the key fully; do not turn.
6. Attach spark plug wire to the spark
plug on the engine.
7. Prime the engine as instructed earlier.
If the carburetor is flooded due to
over-priming, wait till it dries out.
1. Turn choke knob to OFF position.
2. Clean the fuel line, fill tank with fresh
gasoline.
3. Drain fuel tank and carburetor. Fill up
with fresh gasoline.
1. Connect spark plug wire.
2. Remove ice and snow from gas cap.
Be certain that vent hole is clear.
1. Stop the engine immediately and
disconnect spark plug wire. Tighten all
bolts and nuts. If vibration continues,
contact service center.
1. Replace drive belt.
1. Stop engine and disconnect spark
plug wire. Clean chute and inside of
auger housing with clean-out tool or
stick.
2. Replace shear pin.
3. Stop engine immediately and
disconnect the spark plug wire.
Remove object from auger.
4. Adjust auger control cable.
5. Replace auger belt.
1. Adjust auger control cable as shown
in "Making Adjustments" on page 10.
Remedy