Cummins/Onan — Preventing Accidental Starting (Battery Disconnected)
Maintenance
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DGDA, Cummins/Onan DGDB, Cummins/Onan DGDK, Cummins/Onan 6BT5.9 engine, Cummins/Onan 6BTA5.9 engine
Before you start
- Disconnect battery charger from AC source before disconnecting battery cables.
- Disconnect negative (−) cable first and reconnect last.
- Accidental starting of the generator set can cause severe personal injury or death.
Procedure
- Move the O/Manual/Auto switch on the control panel to the O (off) position.
- Turn off or remove AC power from the battery charger.
- Remove the negative (−) battery cable from the generator set starting battery.
Full service-parts list: Cummins/Onan DGDA →, Cummins/Onan DGDB →
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.