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Cummins/Onan HDZAA — Service Procedure

For the Cummins/Onan HDZAA.

Applies to: Cummins Onan Hdzaa

Procedure

  1. Tighten the engine mounting bracket bolts (to
  2. Tighten the engine mounting isolator bolts (to
  3. Remount the muffler.
  4. Reconnect the fuel lines.
  5. Tighten the engine harness connector screws
  6. Tighten the housing screws to 27 in−lbs

Source: manual:983-0502 Onan HDZAA (spec A-B) Diesel Genset Service manual (06-2010).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.