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Cummins/Onan — Service Procedure

For these Cummins/Onan models: MCCK, RCCK.

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Procedure

  1. 3. Factory code for optional equipment supplied.
  2. 4. Specification (Spec Letter) advances with factory

Source: manual:927-0752 Onan MCCK (Spec A-H) RCCK (Spec A) Engine 1of 3 (05-1983).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.