Fuel Filter Service - Schwarzbau AG-HA-6500 Owner's Manual

6. Attach the plug washer and thread the plug in by hand to prevent
cross threading.
7. After a new spark plug has been seated by hand, it should be
tightened 1/2 turn with a wrench to compress its washer.
If a used plug is being reinstalled, it should only require 1/8 to 1/4
turn after being seated.
CAUTION:
● The spark plug must be securely tightened. An improperly
tightened plug can become very hot and possibly damage the
generator.
● Never use a spark plug with an improper heat range.

(4) Fuel filter service

The filter prevents dirt or water which may be in fuel tank from
entering the carburetor. If the engine has not been run for a long
time, the filter should be cleaned.
1. Turn the fuel valve OFF. Remove the filter cup.
2. Clean the cup thoroughly.
3. Reassemble. Do not damage the rubber gasket.
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