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Cummins/Onan AT U C D ‘400 - 4X / 11 10 C — remove undervoltage sensors, 2 and 3 (if

For the Cummins/Onan AT U C D ‘400 - 4X / 11 10 C.

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Procedure

  1. .Remove the one screw on top and one screw on
  2. Swing meter-lamp panel outward.
  3. If the meter-lamp panel is three-phase o'nly,

Source: manual:962-0500 Onan AT (spec A-C) Transfer Switch Service Manual (08-1979).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.