Hyundai power products HG4000l-A1, Original Instructions Manual

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2. Locate the air filter plastic cover.
3. Unsnap the locking hinge on the cover.
4. Remove the old filter.
5. Place the new filter in the assembly.
6. Re-snap the hinge on the air filter cover.
7. Reinstall the maintenance cover and tighten the
cover screw securely.
Cleaning
Use a damp cloth to clean exterior surfaces of the
engine. Use a soft bristle brush to remove dirt and
oil.
Use an air compressor (25 PSI) to clear dirt and debris
from the engine.
Spark Arrester
1. Allow the engine to cool completely before
servicing the spark arrester.
2. Remove the two screws holding the cover plate
which retains the end of the spark arrester to the
muffler.
3. Remove the spark arrester screen.
4. Carefully remove the carbon deposits from the
spark arrester screen with a wire brush.
5. Replace the spark arrester if it is damaged.
6. Position the spark arrester in the muffler and
attach with the two screws.
Adjustments
The air-fuel mixture is not adjustable. Tampering with
the governor can damage your generator and your
electrical devices and will void your warranty.
Maintenance Schedule
Follow the service intervals indicated in the following
maintenance schedule.
Service your generator more frequently when
operating in adverse conditions.
Every 8 hours or daily
Check oil level
Clean around air intake and muffler
First 5 hours
Change oil
Every 50 hours or every season
Clean air filter
Change oil if operating under heavy load
or in hot environments
Every 100 hours or every season
Change oil
Clean/adjust spark plug
Check/adjust valve clearance*
Clean spark arrester
Clean fuel tank and filter*
Every 250 hours
Clean combustion chamber*
Every 3 years
Replace fuel line
*To be performed by knowledgeable, experienced
owners or Champion Power Equipment certified
dealers.