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Generac PRIMEPACT 70 — Changing the Engine Oil and/or Oil Filter

Maintenance · Engine crankcase / oil filter

For the Generac PRIMEPACT 70, from the Generac owner's manual.

Applies to: Generac PRIMEPACT 70, Generac GN-480 engine

Before you start

  • Do not fill above the FULL mark.

Parts for this job

Part numbers from the service-parts list for Generac PRIMEPACT 70. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Run the engine until thoroughly warmed up (at least five minutes), then shut it off.
  2. Remove the oil drain plug and drain the oil into a suitable container.
  3. Replace the oil drain plug.
  4. Remove the old oil filter by turning it counterclockwise.
  5. Apply a light coating of clean engine oil to the new filter gasket.
  6. Screw the new filter on by hand until the gasket lightly contacts the adapter.
  7. Tighten the filter an additional 3/4 to one turn.
  8. Fill crankcase with 1.4 liters of recommended oil; install and tighten the dipstick.
  9. Start the engine and check for leaks.

Specs & values

  • Oil change every 100 operating hours after first 25-hour change
  • Oil filter change every 100 operating hours after first 25-hour change
  • Crankcase capacity about 1.4 liters

Full service-parts list: Generac PRIMEPACT 70 →

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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