Cummins/Onan — Fuel Filter Replacement - Gensets 4.0 kW And Below
Maintenance · Fuel System
From a Cummins/Onan operator's manual covering: 2.0 EGHAM, 2.5 EGHAA, 3.5 EGHEM, 4.0 EGHAB, 4.0 EGHEB, 5.0 EGHAB, 5.0 EGHEB, 5.0 EGHEM, 6.0 EGHEB. Check it applies to your exact model before use.
Applies to: Cummins/Onan 2.5 EGHAA, Cummins/Onan 4.0 EGHAB, Cummins/Onan 5.0 EGHAB, Cummins/Onan 5.0 EGHEB, Cummins/Onan 6.0 EGHEB, Cummins/Onan Elite E140H engine, Cummins/Onan GH170 engine
Before you start
- Fuel presents the hazard of fire or explosion. Do not permit any flame, spark, pilot light, cigarette, or other ignition source near the fuel system.
Procedure
- Close the fuel supply valve and let the set run until it runs out of fuel; let it cool down.
- Remove the fuel line from the fuel shutoff valve and collect the fuel in a suitable container.
- Unscrew the sediment bowl from the fuel supply valve and clean it.
- Remove the screen and clean any dirt and particulate off the screen.
- Reinstall the screen and sediment bowl. Attach the fuel line securely to the fuel shutoff valve.
Source: Cummins/Onan operator'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.