Cummins/Onan — Oil Pump − Remove And Install
Repair & overhaul
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Procedure
- Disconnect and connect wiring harness and fuel lines
- Drain and refill engine fluids
- Remove and install coolant hoses and radiator
- Remove and install fan
- Remove and install belt and belt guards
- Remove and install injection pump cover
- Remove and install governor spring and speed control assy
- Remove and install crankshaft pulley
- Remove and install gearcase cover
- Remove and install idler gear
- Remove and install oil pump drive gear
- Remove and install oil pump
- Test run unit
Specs & values
- SRT 07−113
- Standard Repair Time 4.6 h
Full service-parts list: Cummins/Onan HDKA →
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.