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Generac PRIMEPACT 66G / PRIMEPACT 66LP — Out of Service Procedure - Removal From Service

Maintenance · 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

Procedure

  1. Start the engine and let it warm up.
  2. Close the fuel shutoff valve in the fuel supply line and allow the unit to shut down.
  3. While engine is still warm, drain the oil completely and refill crankcase with SAE 10W-30 For Service SE oil.
  4. Attach a tag to the engine indicating oil viscosity and classification.
  5. Remove spark plug and pour 2-3 tablespoons of clean engine oil into spark plug openings; reinstall plug.
  6. Remove the battery and store it in a cool, dry room on a wooden board.
  7. Clean and wipe the entire generator.

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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