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Cummins/Onan — Battery installation

Installation · Batteries

From a Cummins/Onan owner's manual covering: CFP15E, CFP23E, CFP30E, CFP50, CFP5E, CFP60E, CFP7E, CFP9E, CFP9E HHP. Check it applies to your exact model before use.

Applies to: Cummins/Onan CFP23E

Before you start

  • Battery electrolyte is highly caustic; wear gloves and goggles.
  • Batteries emit explosive gases; ventilate before servicing.

Parts for this job

Part numbers from the service-parts list for Cummins/Onan CFP23E. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Install battery cable kit or equivalent customer-supplied wiring.
  2. Provide adequate room for servicing or replacing batteries.
  3. Locate batteries near engine or increase conductor size per codes.
  4. Configure batteries for 12 or 24 VDC standard operations.
  5. Check battery cables and connections.
  6. Coat terminals with petroleum jelly and tighten connections.

Specs & values

  • Engine only cold cranking amperes: 12V 1300 CCA; 24V 1400 CCA
  • Reserve capacity: 430 minutes

Full service-parts list: Cummins/Onan CFP23E →

Source: Cummins/Onan owner'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.

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