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Home›Repair guides›Due to the wide variety of installations, it is not possible to provide specific procedures for removal.

Cummins Onan — Due to the wide variety of installations, it is not possible to provide specific procedures for removal.

For these Cummins Onan models: HGJAA, HGJAB, HGJAD, HGJAE.

Browse Cummins Onan generators & specs →

Procedure

  1. 4.4.2
  2. 1. Disconnect all battery cables, negative (-) cable first, at the battery terminals. • • • • • •
  3. 2. Disconnect the negative (-) and positive (+) battery cables at the generator set.
  4. 3. Disconnect the wiring connectors for remote control and remote fuel pump (fuel injection models).
  5. 4. Disconnect the generator AC output wires and conduit from the junction box on the vehicle.
  6. 5. Disconnect the exhaust tail pipe.
  7. 6. Gasoline-fueled generator sets:
  8. 4. Preparing for Service
  9. 7. LPG-fueled generator sets: • •
  10. 4.4.3
  11. 1. Park the vehicle on a level surface.
  12. 2. Put the transmission in PARK.
  13. 3. Lock the brakes.
  14. 4. Remove the ignition key. Do not move the vehicle during this procedure.
  15. 4. Preparing for Service
  16. 4.4.4
  17. 4. Preparing for Service
  18. 5.1
  19. 5.1.1
  20. 5. Control

Source: manual:A035D011_SERVICE_i23-HGJAA _HGJAB_ HGJAD_ HGJAE(Spec J-M)7-22.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.