ГОЛОВКА БЛОКА ЦИЛИНДРОВ РЕМОНТ

PROCEDURE

  1. REPAIR INTAKE VALVE SEAT

    Note:

    Releasing the seat cutter pressure gradually helps to make the intake valve seat faces smoother.

    1. If the seating is too high on the valve face, use 20° and 45° cutters to correct the seat.

      A012LP8N01
      Table 1.
      *1 1.0 to 1.2 (0.0394 to 0.0472)
      *2 mm (in.)
    2. If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.

      A012K70N01
      Table 2.
      *1 1.0 to 1.2 (0.0394 to 0.0472)
      *2 mm (in.)
    3. Hand lap the intake valve and intake valve seat with an abrasive compound.

    4. Check the valve seating position.

  2. REPAIR EXHAUST VALVE SEAT

    Note:

    Releasing the seat cutter pressure gradually helps to make the exhaust valve seat faces smoother.

    1. If the seating is too high on the valve face, use 20° and 45° cutters to correct the seat.

      A012LP8N02
      Table 3.
      *1 1.2 to 1.6 (0.0472 to 0.0630)
      *2 mm (in.)
    2. If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.

      A012K70N02
      Table 4.
      *1 1.2 to 1.6 (0.0472 to 0.0630)
      *2 mm (in.)
    3. Hand lap the exhaust valve and exhaust valve seat with an abrasive compound.

    4. Check the valve seating position.