Cummins/Onan — Exerciser Clock
Operation
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Before you start
- Turn large dial clockwise only. Do not turn counterclockwise.
Procedure
- Open the cabinet door of the automatic transfer switch.
- Move the operation selector switch to STOP.
- Install a trip pin (left-hand thread) in the inside row of holes on the large dial for the time of day you want the generator set to start.
- Place a trip pin in the outside row of holes on the large dial to stop the generator set.
- Install a trip pin in the small spoked wheel for every day no exercise is desired.
- Rotate the large dial clockwise until the correct time is correctly aligned with the time pointer.
- Align the small spoked wheel with the correct day at its pointer.
- Move the operation selector switch to RMT or NORMAL, whichever applies.
- Close the cabinet door.
Specs & values
- Sixteen trip pins are supplied with the clock. Store unused pins on the time pointer bracket.
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.