10
Maintenance and Service
Procedures
Air Filter – Check
A dirty air filter will restrict air flow into the
carburetor, will cause poor fuel economy, and
may damage the engine. To keep the generator
in good operating condition, service the air filter
regularly. Service more frequently when
operating the generator in extremely dusty areas.
Note: Never operate the generator without the
air filter in place. Operating the generator without
the air filter in place will result in rapid engine
wear.
Open the left service door (1). Remove the air
filter cover bolt (2) and remove the air filter cover
(3) by lifting out the service door opening. Make
sure that the air filter is clean and not damaged.
If the air filter is dirty, wash the filter. If the air
filter is damaged, replace the air filter.
Use a nonflammable solvent or a mixture of
household detergent and warm water to wash
the filter. Rinse the filter thoroughly to remove all
of the cleaning solution. After the filter has dried,
pour a small amount of engine oil into the filter
and squeeze to distribute the oil throughout.
Remove excess oil and replace the filter.
Note: Do not wring out the filter. Wringing out the
filter may damage the filter.
Use a damp rag to wipe dirt from the case and
cover. Install the filter into the housing. Place the
air filter cover over the filter and reinstall the air
filter cover bolt. Reinstall the service door.
Camshaft – Inspect/Replace
Inspect the camshaft for damage or abnormal
wear. Measure the lift on the camshaft lobes.
The acceptable limits for the lift are shown in the
table below. If the lift is out of the acceptable
range, replace the camshaft.
Measure the outside diameter of the camshaft.
The acceptable limits for the diameter are shown
in the table below. If the diameter is out of the
acceptable range, replace the camshaft.
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