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5. Slowly pour oil (about 0.4 l (13.5 oz.)) into oil fill
opening to the point of overflowing at oil fill cap.
DO NOT overfill.
6. Reinstall oil fill cap. Finger tighten cap securely.
7. Wipe up any spilled oil.
8. Reinstall the side maintenance cover and hand tighten
the cover screws.
Service Air Cleaner
Your engine will not run properly and may be damaged if
you run it with a dirty air cleaner. Clean or replace more
often if operating under dusty or dirty conditions.
To service the air cleaner, follow these steps:
1. Loosen the side maintenance cover screws and
remove the side maintenance cover.
2. Loosen air cleaner cover screw and remove air
cleaner cover.
3. Carefully remove foam air cleaner and breather filter
by pulling it out towards you.
4. Wash foam air cleaner and breather filter in liquid
detergent and water only. Squeeze dry in a clean
cloth.
NOTICE If the filter is excessively dirty, replace with a
new filter. See Common Service Parts.
5. SATURATE foam air cleaner in clean engine oil and
squeeze in a clean cloth to remove excess oil.
6. Reinstall clean or new foam air cleaner and breather
filter inside base.
7. Reinstall the air cleaner cover and tighten screw.
8. Reinstall the side maintenance cover and hand tighten
the cover screws.
Service Spark Plug
Changing the spark plug will help your engine to start
easier and run better.
1. Remove top maintenance cover.
2. Clean area around spark plug and remove spark plug
boot.
3. Remove spark plug and inspect spark plug.
4. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement plug. See Common Service Parts.
5. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary
(see Specifications).
Filter
6. Install spark plug and tighten firmly. Reinstall spark
plug boot.
Cover
7. Reinstall top maintenance cover.
Inspect Muffler and Spark Arrester
Screw
The engine exhaust muffler has a spark arrester screen.
Inspect the muffler for cracks, corrosion, or other damage.
Breather
Inspect spark arrester screen for damage or carbon
Filter
blockage. Clean if carbon blockage is found using brush
and commercial solvent or replace if damaged.
WARNING! Contact with muffler area could
cause burns resulting in serious injury.
• Do not touch hot parts.
Clean and inspect the spark arrester as follows:
1. To remove muffler guard, remove four screws that
connects guard to generator.
Maintenance
13
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