2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 39

2012 Ford F550 Cab Manual

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Maintenance and Specifications Draining the DFCM 1. Stop the vehicle and shut off the engine. WARNING: The vehicle must be stopped with the engine off when draining the DFCM. Fuel may ignite if the separator is drained while the engine is running or vehicle is moving. Note: Air will enter into the fuel system if the DFCM is drained while the system is running. The engine will not operate properly if air enters the system. 2. Locate the DFCM and place an appropriate container under the drain port (see illustration). 3. Rotate the drain counterclockwise until the O-ring is visible. Allow the DFCM to drain for approximately 25 seconds or until clean fuel is observed. Rotate the drain clockwise to tighten it. If no liquid drains, the drain may be clogged. Have the DFCM serviced by your authorized dealer. 4. Make sure that the drain valve is fully tightened, then remove the container from under the vehicle. Note: A loose drain valve can allow air to enter the fuel system and cause drivetrain issues. The engine will not operate properly. be sure that the drain valve is fully tightened. 5. Restart the engine. The WATER IN FUEL DRAIN FILTER or WATER IN FUEL DRAIN FILTER SEE MANUAL message and light should not be illuminated. If they continues to illuminate, have the fuel system checked and repaired. 39 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)

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Draining the DFCM
1. Stop the vehicle and
shut off
the engine.
WARNING:
The vehicle must be stopped with the engine off
when draining the DFCM. Fuel may ignite if the separator is
drained while the engine is running or vehicle is moving.
Note:
Air will enter into the fuel system if the DFCM is drained while
the system is running. The engine will not operate properly if air enters
the system.
2. Locate the DFCM and place an appropriate container under the drain
port (see illustration).
3. Rotate the drain counterclockwise
until the O-ring is visible. Allow the
DFCM to drain for approximately
25 seconds or until clean fuel is
observed. Rotate the drain clockwise
to tighten it. If no liquid drains, the
drain may be clogged. Have the
DFCM serviced by your authorized
dealer.
4. Make sure that the drain valve is fully tightened, then remove the
container from under the vehicle.
Note:
A loose drain valve can allow air to enter the fuel system and
cause drivetrain issues. The engine will not operate properly. be sure
that the drain valve is fully tightened.
5. Restart the engine. The
WATER IN FUEL DRAIN FILTER
or
WATER IN FUEL DRAIN FILTER SEE MANUAL
message and light
should not be illuminated. If they continues to illuminate, have the fuel
system checked and repaired.
Maintenance and Specifications
39
2012 Diesel
(67l)
Supplement, 3rd Printing
USA
(fus)