CYLINDER HEAD (for DPF) REPAIR


  1. REPAIR INTAKE VALVE SEAT

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.

    • Take off the cutter gradually to make the intake valve seat smooth.


    1. A01DVXQE14
      Text in Illustration
      *a 1.2 to 1.6 mm (0.047 to 0.063 in.)

      If the seating is too high on the valve face, use 25 and 45° cutters to correct the seat.

    2. A01E0L2E13
      Text in Illustration
      *a 1.2 to 1.6 mm (0.047 to 0.063 in.)

      If the seating is too low on the valve face, use 70 and 45° cutters to correct the seat.

    3. A01DWS2E01

      Hand-lap the valve and valve seat with an abrasive compound.

    4. Clean the valve and valve seat.

  2. REPAIR EXHAUST VALVE SEAT

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.

    • Take off the cutter gradually to make the exhaust valve seat smooth.


    1. A01DVXQE15
      Text in Illustration
      *a 1.6 to 2.0 mm (0.063 to 0.079 in.)

      If the seating is too high on the valve face, use 25 and 45° cutters to correct the seat.

    2. A01E0L2E14
      Text in Illustration
      *a 1.6 to 2.0 mm (0.063 to 0.079 in.)

      If the seating is too low on the valve face, use 75 and 45° cutters to correct the seat.

    3. A01E0N4E01

      Hand-lap the valve and valve seat with an abrasive compound.

    4. Clean the valve and valve seat.