Injection Pumps - Venting; High Pressure Lines - Venting; Fuel Filter - Replacement - Dodge D250 1990 Service Manual

Fuel System Replacement Procedures
Page 14-16
Fuel System
DODGE Turbo Diesel
Injection Pumps - Venting
Warning: It Is necessary to put the engine In the "run"
position: Because the engine may start, be sure to follow
all safety precautions. Use the normal engine starting
procedure.
Caution: When using the starting motor to vent the
system, do not engage it for more than 30 seconds at a
time: Wait two (2) minutes between engagements.
Air can also be vented through the fuel drain manifold line by
operating the starting motor.
17mm
High Pressure Lines - Venting
Warning: A fuel leak from high pressure fuel line has
sufficient p r e s s u r e to penetrate the skin and c a u s e
serious bodily harm.
Loosen the fittings at the injector, and crank the engine to allow
entrapped air to bleed from the line. Tighten the fittings.
17mm
Warning: Do not bleed a hot engine as this could cause
fuel to spill onto a hot exhaust manifold creating a
danger of fire.
Start the engine and vent one line at a time until the engine
runs smoothly.
Fuel Filter - Replacement
Standard Filter Wrench
Disconnect the (WIF) electrical connection.
Remove the fuel filter assembly with a standard filter wrench.
Note: The fuel heater assembly should not move during the
filter removal.