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Cummins/Onan — Initial Start-Up/Inspection

Operation · generator set

From a Cummins/Onan service manual — check it applies to your exact model before use.

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Before you start

  • Fuel presents hazard of explosion or fire. If fuel leaks are found, shut down immediately.
  • Exhaust gas presents hazard of severe personal injury or death. Do not operate if excessively noisy.

Procedure

  1. Place Start/Stop switch to START position. Engine should crank and start.
  2. After generator set starts, check for fuel leaks. If found, shut down immediately, turn off fuel supply, and repair leaks.
  3. Examine exhaust system for leaks. If found, shut down immediately and repair.
  4. Refer to Operator's Manual and perform Break-in Procedure.
  5. Stop generator set by placing Start/Stop switch to STOP position.
  6. Start at remote control: place Remote Start/Stop switch to START position.
  7. After start, check battery condition meter (if equipped) to confirm proper operation.
  8. Allow generator set to operate at normal load and monitor fuel supply connections, exhaust system, unit performance, and noise reduction.
  9. If performance is not correct, refer to Service Manual for adjustment or contact an Onan distributor.

Source: Cummins/Onan service 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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