50950106/AP0313 81
Changing Fuel Filter
The fuel filter is located on the left side of the engine. To begin, turn the plastic
petcock located on top of the water separator (Figure 43) a 1/4 turn to stop fuel
flow. Clean dirt from around the filter head. Remove the spin-on filter cartridge.
Replace with a new filter cartridge. Lubricate the seal on the new filter element
with fuel before installing. Return the fuel line petcock on the water separator to
the open position. Start the engine and check for leaks. See page 79 for location
on the engine.
Checking the Water Separator
The water separator is located between
the fuel tank and the main fuel filter and is
used to remove finely dispersed water in
diesel fuel. Check on a daily basis and
drain if necessary. Water can be drained
from the separator by opening the valve
located at the bottom of the separator
bowl.
Important: Water in the fuel system can
cause severe engine damage. Drain water
from the water separator anytime water is
present.
To change the water separator filter, turn
the plastic petcock located on top of the water separator a 1/4 turn to stop fuel
flow. Unscrew the separator bowl from the housing and pull down on the existing
filter to release it from the housing. Replace with a new filter and reinstall the
bowl. Return the petcock on the water separator to the open position. Start the
engine and check for leaks.
Engine Diagnostic Chart
When detecting faults, the information
center electronic display (page 29) uses a
diagnostic trouble code (DTC) screen to
alert the operator to the occurrence of the
fault conditions.
The data port for accessing the diagnostic
trouble codes can be found behind a swell
latch panel at the operator’s left foot.
The following pages list descriptions,
diagnostic trouble codes and fault codes
for the engine.
Figure 43 Location of Water
Separator
Figure 44 Data Port for
the Engine
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