KIT-HARNESS 4245300 - Caterpillar

Illustration 1 g00549858
Illustration 2 g00502068
Open the engine access door on the left side of the machine. The priming pump is mounted on the top of the primary fuel filter.
Turn the priming pump plunger counterclockwise and pull out the priming pump plunger.
Operate the fuel priming pump in order to fill the new filter element. Continue to operate the fuel priming pump until the pump resists operation. This indicates that the filter element is full of fuel.
Push the priming pump plunger downward and turn the priming pump plunger clockwise in order to lock the priming pump plunger.
Start the engine. Look for leaks around the fuel filter element. If the engine will not start or the engine misfires, more priming is necessary.
If the engine runs rough after start-up, stop the engine. Perform the following procedure:
Illustration 3 g00840716
The vent plug is located on the right side of the machine.
Loosen the vent plug on the fuel return manifold.
Release the priming pump plunger and prime the fuel system until a continuous stream of fuel is flowing from the opening. Catch the fuel in a suitable container.
Install the vent plug in the fuel return manifold and lock the priming pump plunger.
Start the engine. Continue to operate the engine at low idle until the engine operates smoothly.
Close the engine access door.