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Cummins/Onan — Initial Starting and Checks

Operation · Generator set

From a Cummins/Onan service manual — check it applies to your exact model before use.

Applies to: Cummins/Onan MDKAL, Kubota D1005 engine

Before you start

  • Exhaust gas is deadly; shut down immediately if an exhaust leak or repair is needed.

Procedure

  1. Make sure fuel shutoff valve and sea water cock are open and pump is primed.
  2. Hold Start/Stop switch in Start (use Preheat if needed); set should start within a few seconds.
  3. Check water flow at hull exhaust outlet.
  4. Check exhaust system for leaks visually and audibly.
  5. Check for fuel, oil and coolant leaks; repair before further checks.
  6. Connect AC voltmeter and frequency meter across two line terminals; verify frequency then voltage.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Cummins/Onan MDKAL →, Kubota D1005 engine →

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.

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