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Home›Repair guides›Fuel System Priming Procedure

Cummins/Onan — Fuel System Priming Procedure

For these Cummins/Onan models: DFJA, DFJB, DFJC, DFJD, KT-38-G3, KTA-38-G1, KTA-38-G2.

Applies to: Cummins/Onan DFJD, Cummins/Onan KT-38-G3 Engine

Procedure

  1. Stop engine cranking
  2. Remove external priming pump if installed
  3. Reconnect wire to fuel solenoid valve

Source: manual:960-0609 Onan DFJA DFJB DFJC KTA31 Installation Manual (9-1989).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.