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IMPORTANT: Replace fuel filter elements anytime audible alarm
sounds and diagnostic trouble codes indicate plugged fuel filters
(low fuel pressure). If no alarm sounds replace filters after 400
hours operation
Thoroughly clean exterior of fuel filter/water separator assembly
and surrounding area.
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Drain water and contaminants from primary filter into suitable
container by opening drain valve (A) on bottom of filter.
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Dispose of drained material in accordance with local laws and
ordinances.
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Disconnect the water-in-fuel sensor connector (B) from primary
filter.
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Remove primary filter (C), secondary filter (D) and gaskets
and discard filters.
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IMPORTANT: Do NOT prefill either fuel filter with fuel.
Lubricate gasket for primary fuel filter with fuel, and install
canister onto base. Tighten 3/4 turn after packing contacts base.
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Lubricate primary fuel filter water separator gasket with fuel
and install onto filter canister. Tighten 3/4 of a full turn after
gasket contacts the base.
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Lubricate gasket for secondary fuel filter with fuel, and install
filter onto base. Tighten 3/4 turn after gasket contacts base.
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Connect water-in-fuel sensor connector harness.
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IMPORTANT: Turn key ON for 3 minutes before starting engine
to provide time to prefill fuel filters. Fuel system is self-bleeding.
Do not attempt to start engine until prefill is complete or
a fuel system air lock may occur.
Turn key switch to ON position for 3 minutes to prefill fuel
filters.
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Start engine and run fast idle for 2 minutes.