Honda EU22000i Owner's Manual page 60

SERVICING YOUR GENERATOR
3. Use a brush to remove carbon deposits from the spark arrester
screen.
Be careful to avoid damaging the screen.
The spark arrester must be free of breaks and tears. Replace the
spark arrester if it is damaged.
4. Replace a new muffler gasket, the spark arrester, the muffler, and
the muffler protector in the reverse order of removal.
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