Section 5 - Maintenance
90-899883272 MARCH 2008 Page 65
2. Remove the IAC muffler from the slot in the air valve plate using needle‑nosed pliers.
a - IAC
b - IAC muffler location
3. Inspect the muffler for holes, cracks, or deterioration. Replace if damaged.
IMPORTANT: Do not use a cleaner tains methyl ethyl ketone and do not use cleaner on
electrical connections.
4. Clean the muffler with warm water and mild detergent. Replace if necessary.
5. Allow the IAC muffler to dry completely before use.
6. Install the IAC muffler.
Changing the Water‑Separating Fuel Filter
!
WARNING
Fuel is flammable and explosive. Ensure the key switch is off and the lanyard is positioned
so that the engine cannot start. Do not smoke or allow sources of spark or open flame in
the area while servicing. Keep the work area well ventilated and avoid prolonged
exposure to vapors. Always check for leaks before attempting to start the engine and
wipe up any spilled fuel immediately.
1. Shut off the engine and allow to cool for 12 hours.
2. Close the fuel supply valve, if equipped.
3. Wrap the water separating fuel filter with a cloth to help catch any fuel spills or spray.
4. Remove and discard the water separating fuel filter and sealing ring from the mounting
bracket.
5. Coat the sealing ring on the new filter with engine oil.
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