PL720 2WD L4-2488cc 2.5L DSL (SD25) (1985)
Fuel Pressure Release: Service and Repair
Fig. 25 Fuel system primer pump & bleeder screw
Air should be bled from the fuel system whenever it is opened or repaired.
1.
Remove cap that covers priming pump, 2, and loosen air vent screw, 1, Fig. 25.
2.
Turn priming pump counterclockwise to engage.
3.
Operate priming pump up and down observing air vent until no further air is observed.
4.
Tighten air vent screw, push and turn pump clockwise, and install priming pump cap.