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Generac — Out of Service Protection

Maintenance · Generator

From a Generac owner's manual covering: 9735, Q-55LP, Q-70LP. Check it applies to your exact model before use.

Applies to: Generac 9735, Generac Q-55LP, Generac GN-480 engine, Generac GN-570 engine

Before you start

  • Never store the battery on any concrete or dirt floor

Procedure

  1. Start engine and let it warm up.
  2. While engine is still warm, drain oil completely; refill crankcase with recommended oil.
  3. Attach a tag to the engine indicating oil viscosity and classification.
  4. Remove spark plug(s) and add about two or three tablespoons of clean engine oil into threaded opening(s).
  5. Crank engine several times to distribute oil, then install and tighten spark plug(s).
  6. Remove battery and store in a cool, dry room on a wooden board.
  7. Clean and wipe the entire generator.
  8. Shut off fuel supply.

Full service-parts list: Generac 9735 →, Generac Q-55LP →

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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