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Home›Repair guides›Generac›Manual Transfer to Utility Power Source

Generac G0070420 — Manual Transfer to Utility Power Source

Operation · Transfer switch

For the Generac G0070420, from the Generac owner's manual.

Applies to: Generac G0070420, Generac GH-426 engine, Generac GTH-530 engine, Generac GT-999 engine

Before you start

  • Electrocution. Do not manually transfer under load.

Procedure

  1. Set the MLCB (generator disconnect) to OFF (OPEN).
  2. Run engine for two minutes at no-load to stabilize internal temperature.
  3. Press control panel OFF button; engine will shut down.
  4. Verify utility power supply to transfer switch is turned off.
  5. Move main contacts to UTILITY position using manual transfer handle.
  6. Turn on utility power supply to transfer switch.
  7. Press control panel AUTO button.
  8. Return MLCB (generator disconnect) to ON (CLOSED).

Full service-parts list: Generac G0070420 →

Source: Generac owner's 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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