Cummins/Onan — Emergency Operation If Battery Fails

Operation · charging system

From a Cummins/Onan operator's manual covering: 305CCK, 4CCK, 5CCK. Check it applies to your exact model before use.

Applies to: Cummins/Onan CCK engine

Procedure

1. Remove wire connecting battery terminal on reverse current relay from ammeter.
2. Tape bare end of wire.
3. Plant will not recharge battery with lead disconnected.

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.

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