Honda EU20i Series Maintenance Manual page 21

2.AIR CLEANER SERVICE
A dirty air cleaner will restrict air flow to the carburetor. To prevent
carburetor malfunction, service the air cleaner regularly. Service more
frequently when operating the generator in extremely dusty areas.
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Do not use gasoline or low flash point solvents for cleaning. They are
flammable and explosive under certain conditions.
CAUTION:
Never run the generator without the air cleaner. Rapid engine wear may
result.
1 . Loosen the maintenance cover screw and remove the maintenance cover.
2. Loosen the air cleaner cover screw, and remove the air cleaner cover.
MAINTENANCE
AIR CLEANER
MAIN AIR CLEANER
COVER SCREW
COVER
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SCREW
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3. Clean in warm soapy water, rinse and allow to dry to thoroughly. Or
clean in high flash point solvent and allow to dry. Dip the main and
outer air cleaner elements in clean engine oil and squeeze out all the
excess. The eng ine will smoke during initial startup if too much oil is
left in the foam .
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Do not twist. Do not twist.
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4. Reinstall the main and outer air cleaner elements and the air cleaner
cover. Tighten the air cleaner cover screw securely.
5. Reinstall the maintenance cover and tighten the maintenance cover
screw securely.
3.S PARK PLUG SERVICE
RECOMMENOEO SPARK PLUG: CR5HSB (NGK)
To ensure proper engine operation, the spark plug must be properly
gapped and free of deposits.
1 . Remove the spark plug maintenance cover.
SPARK PLUG MAINTENANCE COVER
2. Remove the spark plug capo
3. Clean any dirt from around the spark pi ug base.
4. Use a spark plug wrench to remove the spark plug .
HANDLE BAR
SPARK PLUG CAP
SPARK PLUG WRENCH
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