Ford F-650 Owner's Manual page 219

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3. Reinstall the lower portion of the
housing by slowly turning it clockwise
onto diesel fuel conditioner module
housing, allowing fuel to soak into the
fuel filter element. Tighten the lower
housing until it contacts the
mechanical stop.
Note: The engine will not run properly if you
do not install the diesel fuel conditioner
module fuel filter in the housing or if the
filter bowl is not tightened to the
mechanical stop.
Note: You will need to purge the system of
air after removal or changing of the filter.
See Purging Air from the Fuel System later
in this chapter.
Engine-mounted Fuel Filter
Removal
The engine-mounted fuel filter is a plastic
disposable cartridge.
F650750 (TBC), enUSA, First Printing
Maintenance
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1. Disconnect both fuel lines by squeezing
the connector tabs and pulling the lines
straight off.
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Note: Although the fuel system is not fully
pressurized when the vehicle is off, some
residual pressure may remain in the fuel
system since it can take some time for the
pressure to completely bleed off. Therefore,
we recommend you place a shop rag below
the filter connectors to absorb the small
amount of fuel that will drain.
2. Rotate the filter fully counterclockwise
until the peg is at the far end of the slot.
3. Pull the filter straight up from the
bracket and discard the filter.
Installation
1. Install the new filter into the filter
bracket. Turn the filter clockwise to
lock it in place.
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