The following components can provide a means of
minimizing fuel waxing problems in cold weather:
• Fuel heaters, which may be an OEM option
• Fuel line insulation, which may be an OEM option
Winter and arctic grades of diesel fuel are available in
the countries and territories with severe winters. For
more information refer to the Operation and
Maintenance Manual, “Fuel For Cold Weather
Operation”
Another important fuel property which can affect cold
start and operation of diesel engine is Cetane
number. Detail and requirements of this property are
given in this Operation and Maintenance Manual,
“Fluid Recommendations”.
i05359588
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 tanks 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 with this system, regular maintenance of
the fuel system filter is important.
Drain the water and sediment from any fuel storage
tank at the following intervals: weekly, service
intervals and refueling of the fuel tank. Draining will
help prevent water and/or sediment from being
pumped from the fuel storage tank and into the
engine fuel tank.
Fuel Filters
After you change the fuel filter, always prime the fuel
system in order to remove air bubbles from the fuel
system. Refer to the Operation and Maintenance
Manual in the Maintenance Section for more
information on priming the fuel system.
The micron rating and the location of a primary fuel
filter is important in cold-weather operation. The In-
line filter, primary fuel filter, and the fuel supply line
are the most common components that are affected
by cold fuel.
Fuel Heaters
Note: The OEM may equip the application with fuel
heaters. If so, the temperature of the fuel must not
exceed 73 °C (163 °F) at the fuel transfer pump. The
fuel heater should be installed before the electric lift
pump.
For more information about fuel heaters (if equipped),
refer to the OEM information.
SEBU9075-03
55
Operation Section
Fuel Related Components in Cold Weather
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