SEBU8337 37
Operation Section
Cold Weather Operation
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Fuel Related Components in
Cold Weather
Fuel Tanks
Condensation can form in partially filled fuel tanks.
Top off the fuel tanks after you operate the engine.
Fuel tanks should contain some provision for draining
water and sediment from the bottom of the tanks.
Some fuel tan
ks use supply pipes that allow water
and sediment to settle below the end of the fuel
supply pipe.
Some fuel tanks use supply lines that take fuel
directly from the bottom of the tank. If the engine is
equipped wi
th this system, regular maintenance of
the fuel system filter is important.
Drain the wa
ter and sediment from any fuel storage
tank at the following intervals: weekly, oil changes,
and refueling of the fuel tank. This will help prevent
water and/o
r sediment from being pumped from the
fuel storage tank and into the engine fuel tank.
Fuel Filters
A primary f
uel filter is installed between the fuel
tank and the engine fuel inlet. After you change
the fuel filter, always prime the fuel system in order
to remove a
ir bubbles from the fuel system. Refer
to the Operation and Maintenance Manual in the
Maintenance Section for more information on priming
the fuel s
ystem.
The micron rating and the location of a primary fuel
filter is i
mportant in cold weather operation. The
primary fuel filter and the fuel supply line are the most
common components that are affected by cold fuel.
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