Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - МЕХАНИЧЕСКАЯ ЧАСТЬ ДВИГАТЕЛЯ 5L-E
REPAIR INTAKE VALVE SEAT
REPAIR EXHAUST VALVE SEAT
ГОЛОВКА БЛОКА ЦИЛИНДРОВ - РЕМОНТ
| 1. REPAIR INTAKE VALVE SEAT |
- ПРИМЕЧАНИЕ:
Check the valve seating position.
Apply a light coat of Prussian blue to the valve face.
Lightly press the valve against the seat. Do not rotate valve.
If blue appears 360° around the face, the valve is concentric. If not, replace the valve.
If blue appears 360° around the valve seat, the guide and face are concentric. If not, resurface the seat.
Check that the seat contact is the middle of the valve face with the width below.
- Standard width:
- 1.5 to 1.9 mm (0.0591 to 0.0748 in.)
| *1 | Width |
If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.
| *1 | Width |
If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
| *1 | Width |
Hand-lap the valve and valve seat with an abrasive compound.
Clean the valve and valve seat.
| 2. REPAIR EXHAUST VALVE SEAT |
- ПРИМЕЧАНИЕ:
Check the valve seating position.
| *1 | Width |
Apply a light coat of Prussian blue to the valve face.
Lightly press the valve against the seat. Do not rotate valve.
Prussian blue appears 360° around the face, the valve is concentric. If not, replace the valve.
Prussian blue appears 360° around the valve seat, the guide and face are concentric. If not, resurface the seat.
Check that the seat contact is the middle of the valve face with the width below.
- Standard width:
- 1.8 to 2.2 mm (0.0709 to 0.0866 in.)
If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.
| *1 | Width |
If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
| *1 | Width |
Hand-lap the valve and valve seat with an abrasive compound.
Clean the valve and valve seat.