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ITEM 63584
Sa
FET
y
Op
E
ra
T
iO
n
Main
TE
nan
CE
S
ET
up
problem
possible Causes
probable Solutions
Engine misfires
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 cap and wire connections.
2. Re-gap or replace spark plug.
3. Replace spark plug cap.
4.
Use only fresh 87+ octane stabilizer-treated
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. Fuel tank empty or full of impure or low
quality gasoline.
2. Low oil shutdown.
3. Defective fuel tank cap creating vacuum,
preventing proper fuel flow.
4. Faulty magneto.
5. Disconnected or improperly
connected spark plug cap.
1.
Fill fuel tank with fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Fill engine oil to proper level. Check engine
oil before EVERY use.
3. Test/replace fuel tank cap.
4. Have qualified technician service magneto.
5. Secure spark plug cap.
Engine stops when
under heavy load
1. Dirty air filter
2. Engine running cold.
1. Clean 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 stabilizer-treated
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 qualified technician diagnose and service engine.
Engine backfires
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 stabilizer-treated
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 backfiring.
3. Have qualified technician diagnose and service engine.
4. Check engine timing.
Attached device
doesn’t have power
1. Device not plugged in properly.
2. Circuit Breaker tripped.
3. Product needs service.
1. Turn off and unplug the device,
then plug it back in again and turn on.
2. Turn off and unplug device, reset Circuit
Breaker, plug in device and turn on.
3. Have product repaired.
Attached device
doesn’t have power
1. Device not plugged in properly.
2. Circuit Breaker tripped.
3. Product needs service.
1. Turn off and unplug the device,
then plug it back in again and turn on.
2. Turn off and unplug device, reset Circuit
Breaker, plug in device and turn on.
3. Have product repaired.
Attached device
begins to operate
abnormally
1. Problem with device.
2. Rated load capacity exceeded.
1. Immediately unplug device.
Have device repaired by a qualified
technician, or replace device.
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 generator or engine.
