Cummins/Onan — Fuel Pump - Replace (05-11)
Repair & overhaul
From a Cummins/Onan service manual covering: K 19, K19, KTA19, KTA19-M, KTA19G2, KTTA19, Kt19. Check it applies to your exact model before use.
Applies to: Cummins/Onan K 19, Cummins/Onan Kt19, Cummins/Onan K19 engine
Procedure
- Clean the fuel pump and surrounding area.
- Disconnect the battery cables.
- Remove the wire to the fuel shutoff valve.
- Remove the linkage from the throttle lever.
- On STC engines, remove the STC fuel rail switch.
- Remove the fuel tubing and air hose (fuel drain, gear pump cooling drain, gear pump suction, AFC fuel drain, fuel supply to injectors, AFC supply hose, tachometer cable).
- Remove the four mounting capscrews and the fuel pump; remove the drive coupling and discard the gasket.
- Install the drive coupling, gasket, fuel pump and four capscrews; tighten to 45 N·m [35 ft-lb].
- Install the fuel tubing and air hose; install the STC pressure switch, electric wire, linkage and battery cables.
- Operate the engine to normal operating temperature and check for leaks.
Specs & values
- Mounting capscrews 45 N·m [35 ft-lb]
Full service-parts list: Cummins/Onan K 19 →, Cummins/Onan Kt19 →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.