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Over time, normal engine operation leads to wear in

the engine valve train which decreases generator output.

To restore generator output, it is necessary to check and

adjust the engine valve lash at regular intervals

throughout the life of the engine. However, proper valve

lash adjustments require specialized training and tools.

Adjustment by persons unfamiliar with the procedure can

cause damage to the engine not covered under warranty.

Contact an authorized generator dealer for assistance in

locating qualified service personnel.

Avoid explosive and potentially lethal fuel leaks by

inspecting the complete generator fuel supply system at

intervals no greater than those listed in the Maintenance

Table on page 25. Visually inspect all hoses for cracks,

splits, or brittleness and replace hoses that show these

or other signs of wear. Check all connections for

tightness and cracks, replacing any broken fittings or

clamps. Check all connections for leaks, while the

generator is running, using approved equipment and

methods. DO NOT use a flame to check for leaks.

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• This adjustment should only be performed by

trained personnel. If incorrect adjustments are

made, the unit may fail to operate or operate

inefficiently.

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• Extreme caution should be taken while

performing general maintenance.

• Do not smoke when near the unit.

• Keep flames, sparks, pilot lights, arc-producing

equipment, switches and all other sources of

ignition well away. Keep a type ABC fire

extinguisher handy.

• Do Not operate engine if smell of fuel is present

or other explosive conditions exist.

• Do Not use a flame to check for leaks.

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