Section 5 - Maintenance
90-899883173 DECEMBER 2007 Page 73
2. Remove the IAC muffler.
IAC muffler installed in the IAC adapter
3. Inspect the IAC muffler for holes, cracks, or deterioration. Replace the IAC muffler if
damaged.
IMPORTANT: Do not get cleaner on electrical connections and do not use cleaner
containing methyl ethyl ketone.
4. Clean the IAC muffler with warm water and a mild detergent. Replace if necessary.
5. Allow the IAC muffler to completely, then install.
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.
!
CAUTION
Failure to release pressure from the fuel system will result in fuel spraying out, which can
cause a fire or explosion. Allow the engine to cool completely and release all fuel pressure
before servicing any part of the fuel system. Always protect eyes and skin from
pressurized fuel and vapors.
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