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Cummins/Onan — Procedure (4 steps)

A Cummins/Onan service procedure — check it applies to your exact model before use.

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Procedure

  1. 1. RST - 3-Pole Transfer Panel Series
  2. 2. Ampere Rating
  3. 3. Sequentially assigned spec number - issued for each specific combination of accessories, voltages, frequency and standards codes.
  4. 4. Specification letter - advances with production modification

Source: manual:913-0505B Onan RST-series 60-100-200 Amp Automatic Transfer Panel Service manual (09-2004).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.