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Cummins/Onan HDZAA — Service Procedure

For the Cummins/Onan HDZAA.

Applies to: Cummins Onan Hdzaa

Procedure

  1. Tighten the exhaust clamp screws to 7.4 ft−lbs
  2. Tighten the exhaust flange nuts at the engine to
  3. Tighten the exhaust isolator screws to 13 ft−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.