Cummins N14 STC, Celect, Celect Plus – Service Manual 005-016   Fuel Pump

NOTE: On some fuel pumps the cooling drain line has been rerouted from the injector drain line fitting to the gear pump using a new tapped hole in the side of the gear pump housing. The cooling drain line does not need to be removed to allow the removal of the fuel pump.

Clean the supply pump and the surrounding area.

Remove the electric wire to the fuel shutoff solenoid.

Remove the fuel plumbing.

Remove the two support bracket capscrews from the cylinder block bracket.

Remove the four fuel pump mounting capscrews and remove the fuel pump.

Clean the fuel pump and the surrounding area before removing it from the engine.

Remove the wire to the fuel shutoff valve.

Remove the linkage from the throttle lever.

Remove the fuel tubing and air tube:

• Fuel drain line from the T-block connection (1)
• Gear pump cooling drain (2)
• Gear pump suction line (3)
• Fuel supply to the injectors (4)
• AFC air supply tube (5)
• Tachometer cable (if used) (6)

Remove the two fuel pump support bracket to cylinder block bracket mounting capscrews.

Remove the four fuel pump mounting capscrews and the fuel pump.

Remove the drive coupling.