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Cummins/Onan — Adjustments

For these Cummins/Onan models: MCCK, RCCK.

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Procedure

  1. 2. Apply a full load to engine.
  2. 3. Loosen packing nut and carefully turn main

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.