Cummins/Onan 5MDKAU — Priming the Fuel System
Operation
For the Cummins/Onan 5MDKAU, from the Cummins/Onan service manual.
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Before you start
- Diesel fuel is combustible; keep all sources of ignition well away
Procedure
- Hold the control switch at the STOP(Prime) position.
- The amber status lamp will light.
- Hold approximately 30 seconds to prime the fuel system.
Specs & values
- Prime for 30 seconds
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.