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Maintenance: Fuel System
Changing the fuel filter
Switchable fuel filters can be changed while the engi-
ne is running as the flow of fuel can be cut off to one
filter at a time.
WARNING! Working on or approaching a running
engine is a safety hazard. Beware of rotating
parts and hot surfaces.
A. Right Filter bleed position
B. Right Filter change position
C. Neutral position
D. Left Filter change position
E. Left Filter bleed position
1. Place a drip pan under the fuel filter.
2. Put the fuel filter switching cock in the Left filter
change position and unscrew the left-hand fuel fil-
ter. Use a filter wrench if necessary.
3. Coat the gasket of a new filter with clean diesel
fuel.
4. Install the new filter in the filter bracket by hand.
When the gasket contacts the base, tighten 1/2 to
3/4 of a turn more.
5. Put the fuel filter switching cock in the Left filter
bleed position and loosen the left air vent plug un-
til the fuel running out is free from air. Close the
air vent.
6. Put the fuel filter switching cock in the neutral po-
sition and repeat the above described procedure
for the other fuel filter.
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