TERMINAL AS 4832765 - Caterpillar

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.
Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
Prime the fuel system in order to fill dry fuel filters and purge air from the fuel system. Prime the fuel system after the following occurrences:
The fuel filter elements are replaced.
The engine is run dry.
The fuel lines have been disconnected.
The engine has been overhauled.
The engine is removed from storage.
Loosen the vent plugs that are on the top of the fuel filter covers.
Illustration 1 g00748507
Typical example
(1) Priming pump
(2) Connector
Operate priming pump (1). Turn the handle clockwise until fuel appears at the openings of the vent plugs. Operate the priming pump until the fuel flows free of air bubbles. Clean up any spilled fuel immediately.
Tighten the vent plugs. Priming the Fuel System After Disconnecting Fuel Lines or After an Overhaul
Loosen connector (2). The connector is above the fuel pressure regulator valve. Use a cloth to catch any fuel and clean up any fuel that overflows.
Operate priming pump (1). Turn the handle clockwise until fuel appears at the opening of the connector. Operate the priming pump until the fuel flows free of air bubbles. Clean up any spilled fuel immediately.
Tighten connector (2).