Westinghouse WGen9500 — Checking and Adjusting Valve Lash
Adjustments · Valve Train
For the Westinghouse WGen9500, from the Westinghouse owner's manual.
Applies to: Westinghouse WGen9500
Before you start
- Must be performed with engine cold
Procedure
- Remove rocker arm cover and gasket (replace if torn)
- Remove spark plug to allow engine rotation
- Rotate engine to TDC of compression stroke
- Confirm both rocker arms loose at TDC; rotate 360 deg if not
- Insert feeler gauge between rocker arm and push rod, check clearance per Table 3
- If adjustment required, hold adjusting nut and loosen jam nut
- Turn adjusting nut to obtain correct valve lash
- Tighten jam nut to 106 in-lb (12 N-m) while holding adjusting nut
- Recheck valve lash after tightening jam nut
- Repeat for both intake and exhaust valves
- Install rocker arm cover, gasket, and spark plug
Tools required
- feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake 0.0035+/-0.0043 in cold; Exhaust 0.0043+/-0.0051 in cold; jam nut 106 in-lb (12 N-m)
Full service-parts list: Westinghouse WGen9500 →
Source: Westinghouse 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.