Valve seats

Use a milling kit with T-wrench, locating shaft for valve seat cutter part no. 83 95 097, cutters part no. 78 61 040 VALVE SEAT CUTTER, 11° AND 45° "O SLASH" 34.5 MM  (45&924 ring;), part no. 83 93 936 VALVE SEAT CUTTERS, 60°  (60°) and part no. 83 95 105 VALVE SEAT CUTTER, 70 ° "O SLASH" 31 MM  (70°).

Fig 1: Cutting Valve Seats

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Illustration For Steps 1-2

Courtesy of SAAB-SCANIA OF AMERICA, INC.

1- Exhaust valve

2- Inlet valve

Valve seat angle: 

45°

Regrinding angle: 

60° (exhaust)

71&ring (intake)

Valve seat width: 

1.4 -1.8 mm (exhaust)

1.0 -1.4 mm (intake)