Generac — Install Rocker Arm Cover
Maintenance · Cylinder head
From a Generac service manual covering: GN-190, GN-191, GN-320, GN-360. Check it applies to your exact model before use.
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Before you start
- DO NOT EXCEED 48 in-lbs (5.4 Nm).
Procedure
- Using a new rocker arm cover gasket, install the rocker arm cover and retain with four screws.
- Tighten each screw to 20 in-lbs (2.24 Nm) working diagonally from corner to corner.
- Repeat the same pattern, tightening each screw to 48 in-lbs (5.4 Nm). DO NOT EXCEED this torque value.
- Install the oil breather tube.
Specs & values
- First pass: 20 in-lbs (2.24 Nm)
- Final: 48 in-lbs (5.4 Nm)
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.