Generac 9734 / NP-66LPG — Engine Air Cleaner Service
Maintenance
For the Generac 9734 / NP-66LPG, from the Generac owner's manual.
Applies to: Generac 9734, Generac NP-66LPG, Generac GN-480 engine
Before you start
- Replacement paper filter must be a flame retardant type
Parts for this job
Part numbers from the service-parts lists for Generac 9734, Generac NP-66LPG. 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 foam pre-cleaner in liquid detergent and water.
- Wrap foam pre-cleaner in a cloth and squeeze dry.
- Saturate foam pre-cleaner in engine oil; squeeze out excess oil.
- Install foam pre-cleaner into cover, followed by paper filter; lock tabs into cover slots.
Tools required
- liquid detergent Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Generac 9734 →, Generac NP-66LPG →
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.