Generac NP-30G / NP-40G — Rocker Arm Cover Installation
Repair & overhaul · Valve Train
For the Generac NP-30G / NP-40G, from the Generac service manual.
Applies to: Generac NP-30G, Generac GN-190 / GN-220 engine, Generac GN-190 or GN-220 (see NOTE 2) engine, Generac GN-220 engine
Procedure
- Place a new rocker arm cover gasket into place.
- Install the rocker arm cover.
- Retain the cover with M6-1.00 x 12mm screws.
Full service-parts list: Generac NP-30G →
Source: Generac service 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.