Generac — Replacing the Paper Air Filter

Maintenance · Air cleaner

From a Generac owner's manual covering: GT-530, GT-990, QUIETPACT INDUSTRIAL 55G, QuietPact 55 G, QuietPact 55 LP, QuietPact 65 G, QuietPact 65 LP, QuietPact 75 G, QuietPact 75 LP. Check it applies to your exact model before use.

Applies to: Generac QuietPact 75 LP

Procedure

1. Loosen the plastic wing screw and remove the air box cover.
2. Remove the exterior steel wing nut and pull the air filter assembly out.
3. Separate hardware (offset stud, gasket, flat washer, lock washer, wing nut) and save for the new filter.
4. Discard the old air filter and pre-cleaner safely.
5. Insert the flanged end of the offset stud into the new air filter and through the end plate hole.
6. Install the gasket, flat washer, lock washer and wing nut in that order.
7. Saturate the foam pre-cleaner in clean engine oil and squeeze out excess evenly (DO NOT TWIST).
8. Slide the foam pre-cleaner onto the air filter.
9. Angle the assembly into the compartment and insert the offset stud into the left-side hole.
10. Replace the steel wing nut, then the air box cover and plastic wing screw.

Full service-parts list: Generac QuietPact 75 LP →

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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