Cummins/Onan — Cutout Switch Adjustment
Adjustments · Coil cutout switch (microswitch)
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- Align the microswitch actuating arm and the adjusting screw on the latching lever.
- Set the adjusting screw so the microswitch opens just as the latching lever engages the contact operating rod.
- Operate the transfer switch several times to check the microswitch adjustment.
- Adjust as required and seal the adjustment with paint.
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.