Generac G-Force 1000 Series — Changing the Oil and Oil Filter

Maintenance · Engine oil and oil filter

For the Generac G-Force 1000 Series, from the Generac owner's manual.

Applies to: Generac G-Force 400 Series engine, Generac G-Force 800 Series engine, Generac G-Force 1000 Series engine

Procedure

1. Press MANUAL to start engine and run until thoroughly warmed; press OFF.
2. Remove front panel when unit has cooled. Pull oil drain hose free of retaining clip.
3. Remove cap from oil drain hose and drain oil into a suitable container.
4. Install cap on oil drain hose and secure hose with retaining clip.
5. Remove oil filter by turning it counterclockwise.
6. Apply a light coating of clean engine oil to gasket of new filter.
7. Screw new filter on by hand until gasket lightly contacts adapter; tighten an additional three-quarter to one full turn.
8. Fill engine with recommended oil.
9. Press MANUAL to start engine; run one minute and inspect for leaks.
10. Press OFF; wait five minutes and inspect oil level; do not overfill.
11. Insert oil dipstick and/or attach fill cap.
12. Press AUTO to return unit to AUTO.
13. Close and lock lid.
14. Dispose of used oil and filter according to national, state, or local codes.

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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