PT 6 /... Maintenance
wc_tx000567gb.fm 31
5.5 Fuel Filter
See Graphic: wc_gr001188
Change the engine fuel filter every 250 hours of operation.
5.5.1 Remove the filter (a) from the engine block.
5.5.2 Install a new filter. If necessary, prime the fuel lines as described in the
next section.
5.6 Priming the Fuel System
See Graphic: wc_gr003175
If the fuel tank has been run completely dry, it will be necessary to
prime the fuel system.
To prime fuel system:
5.6.1 Remove the small plug from the top of the water separator and prefill
the element with clean diesel fuel.
5.6.2 Loosen the bleed screw (a) on the fuel filter and pump the manual lever
on the fuel pump (b) until fuel flows freely from the screw hole. Tighten
the bleed screw.
5.6.3 Loosen the bleed screw (c), starting with the injector closest to the fuel
filter, and manually pump until fuel flows freely from the screw hole.
Tighten the bleed screw. Repeat for each injector.
wc_gr001188
a
wc_gr003175
a
c c
c
b
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