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

Generac G0070420 — Manual Transfer to Generator 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. Disconnect transfer switch from all power sources prior to manual transfer.

Procedure

  1. Verify generator is OFF.
  2. Set the MLCB (generator disconnect) to OFF (OPEN).
  3. Turn off the utility power supply to the transfer switch.
  4. Use manual transfer handle to move main contacts to STANDBY.
  5. Press control panel MANUAL button to crank and start engine.
  6. Allow engine to stabilize and warm up for a few minutes.
  7. Set the 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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