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Generac PRIMEPACT 66G / PRIMEPACT 66LP — Starting the Generator

Operation · generator set

For the Generac PRIMEPACT 66G / PRIMEPACT 66LP, from the Generac owner's manual.

Applies to: Generac PRIMEPACT 66G, Generac PRIMEPACT 66LP, Generac GN-480 engine

Before you start

  • If engine does not start after 15 seconds of cranking, release switch and wait 1 minute before trying again

Procedure

  1. Turn OFF electrical loads using the main circuit breaker or transfer switch.
  2. If not started in more than two weeks, press the Fuel Pump Primer switch and hold about 10 seconds.
  3. Hold the Start/Stop switch at START; release when the engine starts.
  4. Let the engine run at no-load for a few minutes to stabilize and warm up.
  5. Turn ON electrical loads using the means provided.

Full service-parts list: Generac PRIMEPACT 66G →, Generac PRIMEPACT 66LP →

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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