Valve Head O.D. and Chamfer Measurement Procedure
- Measure the valve head O.D. and chamfer (a) using an appropriate scale. Refer to Engine Mechanical Specifications (LTG) and Engine Mechanical Specifications (LKW) .
- If the valve head O.D. and chamfer is within specification, test the valve (1) for seat concentricity using Valve-to-Seat Concentricity Measurement Procedure . Reinspect the valve head O.D. and chamfer after completing the concentricity measurement if valve seat reconditioning is performed.