362 FUEL SYSTEM
Priming Fuel System after Out of Fuel
Figure 582 Fuel filter components and fuel valve assembly
1. Water drain valve
2. Fuel filter cover
3. Fuel filter header
4. Drain valve (fuel)
5. Fuel primer pump assembly
6. Fuel valve assembly (air bleed
and pressure test port)
WARNING: To prevent personal injury,
possible death or damage to the engine or vehicle,
make sure the transmission is in neutral, parking
brake is set and w heels are blocked before doing
diagnostic or service procedures on engine or
vehicle.
CAUTION: Do not add fuel to the fuel filter header;
this can add contaminates to the fuel.
If the engine runs out of fuel, do the following:
1. Set parking brake and place transmission control
lever to NEUTRAL or PARK.
2. Unlock the fuel primer pump assembly by turning
the knob counterclockwise.
3. Fill the fuel filter header with fuel by pumping the
fuel primer pump.
WARNING: To prevent personal injury or
death, wear safety glasses with side shields.
Limit compressed air pressure to 207 kPa (30 psi).
4. To aid in filling the fuel filter header and bleed the
fuel rail, do the following:
• Bleed the fuel rail by pressing down on the center
stem of the fuel valve assembly and pump the fuel
primer pump until fuel starts coming out of the fuel
valve assembly.
• Once the air has bled out of the fuel rail, release
the center stem of the fuel valve assembly and
push the fuel primer pump a couple of more times.
• Push the fuel primer pump in one more time and
turn the knob clockwise to lock in place.
5. See specific starting procedures in the DT 466,
DT 570, and HT 570 Engine Operation and
Maintenance M anual.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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