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Cummins/Onan OTPCA — Service Procedure

For the Cummins/Onan OTPCA.

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Procedure

  1. 1. Sense the interruption of the Source 1 power.
  2. 2. Send a start signal to the generator set (Source 2).
  3. 3. Transfer

Source: manual:962-0516A Onan OTPC (40-1000 Amp) Transfer Switch Service manual (10-2002).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.