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Cummins/Onan 45GGFC — Load Bank Test

Testing & diagnosis · Generator set

For the Cummins/Onan 45GGFC, from the Cummins/Onan manual.

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Procedure

  1. Warm up the genset
  2. Start the genset
  3. Run 15 minutes on load bank
  4. Run 30 minutes on load bank
  5. Run 45 minutes on load bank
  6. Run 1 hour on load bank
  7. Cool down

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • 36 kW
  • 240 V L1-L2
  • 120 V L1-L0
  • approx. 145 A per phase
  • 60 Hz

Source: Cummins/Onan manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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