Spark Arrester Maintenance - Honda EW171 Owner's Manual

7. Checkthat the spark plug washer is in good condition, and thread the spark
plug in by hand to prevent cross-threading.
8. After the spark plug is seated, tighten with a spark plug wrench to compress
the washer.
-
If installing a new spark plug, tighten 1/2 turn after the spark plug seats
to compress the washer. If reinstalling a used spark plug, tighten 1/8-1/
4 turn after the spark plug seats to compress the washer.
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The spark plug must be securely tightened. An improperly tightened
spark plug can become very hot and could damage the engine. Never use
spark plugs which have an improper heat range. Use only the recommended
spark plugs or equivalent.
Spark Arrester Maintenance
If the generator/welder has been running, the muffler will be very hot. Allow it
to cool before proceeding.
The spark arrester must be serviced every 100 hours to maintain
its efficiency.
Clean the spark arrester as follows:
1.
Loosen the screw by the exhaust port of the muffler and remove the
spark arrester.
2. Use a brush to remove carbon deposits from the spark arrester
screen. Inspect the screen for breaks or tears and replace it if
necessary.
3 . Install the spark arrester in the reverse order of removal.
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