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Generac Impact-36G / NP-36G — Prepare Generator for Storage

Maintenance · Generator set

For the Generac Impact-36G / NP-36G, from the Generac owner's manual.

Applies to: Generac GN-220 engine

Before you start

  • Never store the battery on any concrete or earthen floor

Procedure

  1. Start engine and let it warm up.
  2. While warm, drain oil completely and refill crankcase with recommended oil.
  3. Attach tag to engine noting oil viscosity and classification.
  4. Remove spark plug and add about 1/2 ounce (15ml) clean engine oil into opening.
  5. Crank engine several times to distribute oil, then install and tighten spark plug.
  6. Remove battery and store in a cool, dry room on a wooden board.
  7. Clean and wipe the entire generator.

Specs & values

  • For out-of-service periods longer than 30 days

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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