Cummins/Onan — Preparing GenSet for Maintenance
Maintenance · Generator Set
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Before you start
- Starting the GenSet while performing maintenance can result in serious injury. Prevent accidental starting by performing steps 1 and 2.
Procedure
- On the GenSet, operate the panel Remote/Stop/Run switch to the STOP position.
- Disconnect the starting battery cables (negative lead first).
- Depress the RESET switch at the control panel to put out alarm lamps and reset the alarm circuits.
- Perform GenSet maintenance following the appropriate GenSet manual.
- Reconnect the starting battery cables and battery charger.
- Operate the GenSet panel Remote/Stop/Run switch to the REMOTE position.
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.