( TL19E20A14680263041LBAT00 )

Cylinder Head Valve Seat Reconditioning

1. Bevel the upper edge of the seat with the 30 ° cutter and the lower edge of the seat with the 60 ° cutter. Check the width of the seat and adjust accordingly.

1. Make one more very light pass with the 45 ° cutter to remove any possible burrs caused by the other cutters.

   Valve Seat Width
   Intake:
   Standard (New): | 0.85−1.15 mm (0.033−0.045 in.)
   Service Limit: | 1.6 mm (0.06 in)
   Exhaust:
   Standard (New): | 1.25−1.55 mm (0.049−0.061 in.)
   Service Limit: | 2.0 mm (0.08 in.)