Prepare special tool (8.5 mm diameter)
- Prepare the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) in a vice.
- Mark special tool 0 494 116 (11 8 352) in area A = 50 mm.
- Set a punch in the center of the marked area.
- Drill a hole with a diameter of 8.5 mm.