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Item 69728 69729
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SAFETY OPERATION MAINTENANCESETUP
Problem Possible Causes Probable Solutions
Engine misres
1. Spark plug cap loose.
2. Incorrect spark plug gap or
damaged spark plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.
1. Check wire connections.
2. Re-gap or replace spark plug.
3. Replace spark plug cap.
4. Use only fresh 87+ octane unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Diagnose and repair compression.
(Use Engine will not start:
COMPRESSION RELATED section.)
Engine stops
suddenly
1. Low oil shutdown.
2. Fuel tank empty or full of impure or low
quality gasoline.
3. Defective fuel tank cap creating
vacuum, preventing proper fuel ow.
4. Faulty magneto.
5. Disconnected or improperly
connected spark plug cap.
1. Fill engine oil to proper level.
Check engine oil before EVERY use.
2. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
3. Test/replace fuel tank cap.
4. Have qualied technician service magneto.
5. Secure spark plug cap.
Engine stops when
under heavy load
1. Dirty air lter.
2. Engine running cold.
1. Clean or replace element.
2. Allow engine to warm up prior
to operating equipment.
Engine knocks
1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing, deposit buildup,
worn engine, or other mechanical problems.
1. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Do not exceed equipment’s load rating.
3. Have qualied technician diagnose
and service engine.
Engine backres
1. Impure or low quality gasoline.
2. Engine too cold.
3. Intake valve stuck or overheated engine.
4. Incorrect timing.
1. Fill fuel tank with fresh 87+ octane
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Use cold weather fuel and oil
additives to prevent backring.
3. Have qualied technician diagnose
and service engine.
4. Check engine timing.
Product doesn’t
have power
1. Product not plugged in properly.
2. Circuit Breaker tripped.
3. Product needs service.
1. Turn off and unplug the product, then
plug it back in again and turn on.
2. Turn off and unplug product, Reset Circuit
Breaker. Plug in product and turn on.
3. Have product repaired.
Product begins to
operate abnormally
1. Problem with appliance.
2. Rated load capacity exceeded.
1. Immediately unplug appliance. Have
appliance repaired by a qualied
technician, or replace appliance.
2. Lower the number of items plugged into the
generator to stay within the rated capacity,
or use a more powerful generator.
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
Troubleshooting (cont.)