Generac — Service Engine Air Cleaner
Maintenance · Foam pre-cleaner and paper filter
From a Generac owner's manual covering: 9735, Q-55LP, Q-70LP. Check it applies to your exact model before use.
Applies to: Generac 9735, Generac Q-55LP, Generac GN-480 engine, Generac GN-570 engine
Parts for this job
- 3388840M2 Air filter — Generac 9735 Amazon eBay $55.99
- 73123 Air filter — Generac Q-55LP Amazon eBay $25.00
Part numbers from the service-parts lists for Generac 9735, Generac Q-55LP. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Turn knob counterclockwise to loosen.
- Remove cover, foam pre-cleaner and paper filter.
- Remove foam pre-cleaner from cover.
- Wash pre-cleaner in liquid detergent and water.
- Wrap pre-cleaner in cloth and squeeze dry.
- Saturate pre-cleaner in engine oil; squeeze out excess.
- Install pre-cleaner into cover, followed by paper filter with tabs locked into slots.
- Insert bottom locking tab of cover into slot and install assembly.
Specs & values
- Clean and re-oil every three months or every 25 hours, whichever first
Full service-parts list: Generac 9735 →, Generac Q-55LP →
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.