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Cummins/Onan WC4-10S-5 — Service Procedure

For the Cummins/Onan WC4-10S-5.

Applies to: Cummins Onan Wc4 10S 5

Procedure

  1. 1. Oil too light. De
  2. 2. Oil badly diluted 6.
  3. 3. Oil too low. 7.
  4. 4. Oil relief valve not 8.

Source: manual:948-0033 Onan WC4-10s-5 Genset Service & Parts manual.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.