5.5. Fuel System
5.5.1. Fuel filter
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After every 200 hour of operation, drain
the water and sediment from the fuel-
water separator.
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Shut off the engine. Use your hand to
open the drain valve .
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Turn the valve counter clockwise approxi-
mately 2 ~ 3 turns until draining occurs.
Drain the filter sump of water until close
fuel is visible.
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Turn the valve clockwise to close the drain
valve. Do not over tighten the valve, over-
tightening can damage the threads.
5.5.2. Replacement of fuel filter
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Clean the area around the fuel filter head
.
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Remove the fuel filter by turning it
counter-clockwise with filter wrench.
(Discard the used filter.)
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Remove the fuel filter thread adapter seal
ring .
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Use a clean lint free cloth to clean the gas-
ket surface of the fuel filter head .
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Install the new thread adapter seal ring
supplied with the new filter.
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Use clean oil to lubricate the filter seal , and fill the new filter with clean fuel.
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Install the filter on the filter head .
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Tighten the filter until the gasket contacts the filter head surface.
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Tighten the filter on additional one-half to three-fourths of a turn with the filter wrench, on as
specified by the filter manufacturer.
Notice : Mechanical over tightening of the filter can distort the thread or damage the filter
element seal.
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