Cummins/Onan — Fuel Pump - Remove and Install
Repair & overhaul
From a Cummins/Onan owner's manual covering: K 19, K19, K19 Series, KTA19, KTTA19, Kt19. Check it applies to your exact model before use.
Applies to: Cummins/Onan K 19, Cummins/Onan Kt19, Cummins/Onan K19 Series (KT19/KTA19/KTTA19) engine, Cummins/Onan KT19 engine, Cummins/Onan KTA19 engine
Procedure
- Disconnect negative then positive battery cables.
- Clean fuel pump and surrounding area.
- Disconnect wires to fuel shutoff valve and linkage.
- Disconnect fuel tubing and air hose.
- Remove drive coupling and discard gasket.
- Remove four mounting capscrews and fuel pump.
- Install new drive coupling, gasket, fuel pump, and capscrews. Tighten capscrews to 45 Nm [35 ft-lb].
- Connect fuel tubing, air hose, electric wires, and linkage.
- Connect positive then negative battery cables.
- Operate engine to normal operating temperature and check for leaks.
Specs & values
- 45 Nm [35 ft-lb]
Full service-parts list: Cummins/Onan K 19 →, Cummins/Onan Kt19 →
Source: Cummins/Onan owner's 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.