Generac PRIMEPACT 50 / PrimePact 50 LP — Changing the Engine Oil and/or Oil Filter
Maintenance · Engine crankcase / oil filter
For the Generac PRIMEPACT 50 / PrimePact 50 LP, from the Generac owner's manual.
Applies to: Generac GN-410 engine
Before you start
- DO NOT FILL ABOVE THE FULL MARK.
Procedure
- Run the engine until thoroughly warmed up (at least five minutes) then shut it OFF.
- Pull the oil drain hose free of its clip, remove the cap and drain the oil.
- Replace the cap on the drain hose and retain the hose in the clip.
- Remove the old oil filter by turning it counterclockwise.
- Apply a light coating of clean engine oil to the gasket of the new filter.
- Screw the new filter on by hand until the gasket contacts the adapter, then tighten 3/4 to one turn.
- Remove the dipstick and wipe it dry.
- Add the recommended oil, checking the level periodically until it reaches the full mark.
- Install and tighten the oil fill cap and the dipstick.
- Start the engine and check for leaks.
Specs & values
- Change oil after first 25 hours, then every 50 hours
- Change oil filter after first 25 hours, then every 100 hours
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.