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Cummins/Onan HDZAA — Service Procedure

For the Cummins/Onan HDZAA.

Applies to: Cummins Onan Hdzaa

Before you start

  • Always perform stator check before

Procedure

  1. Reduce loads.
  2. Verify that the inverter heat sink is clean and
  3. After allowing generator and inverter too cool,

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.