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WARNING Hazards present in troubleshooting can cause equipment damage, severe personal injury
or death. Troubleshooting must be performed by qualified persons who know about fuel, electrical
and machinery hazards. Read the Safety Precautions page and carefully observe all instructions and
precautions in this manual.
THE ENGINE LACKS POWER OR STABLE SPEED
Fuel delivery to the set is inadequate.
Check for and replace clogged fuel lines and filters.
Check for air in the fuel lines and repair all air leaks.
Measure the vertical distance between the fuel lift
pump on the engine and the bottom of the dip tube in
the supply tank. Make necessary provisions so that lift
does not exceed 6 feet (1.8 metres).
The fuel is contaminated.
Connect the set to a container of fuel of known quality
and run the set under various loads. Replace the contents of the fuel supply tank if there is a noticeable improvement in performance.
The engine air filter element is dirty.
Replace the air filter element.
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