1984-Montero · engine 2'6 a · страница 35 из 53 · Открыть оригинал PDF ↗
VALVE SEAT INSERT REPLACEMENT PROCEDURE
1. When seat insert is to be removed, cut away excess metal
from inside of insert with cutter before removal.
2. Grind valve insert bore in cylinder head to match the
outside diameter and height of oversize seat insert.
(lEN039)
3. Before insert is installed, heat cylinder head proper to
approx. 250” C (480” F).
Caution
If seat insert is installed at room temperature, cylinder head
will be ground and seat ring will not tightly fit.
4. Press-fit insert quickly in hole provided in cylinder head.
5. After installation, recondition valve seat with seat cutter.
See “Valve Seat Reconditioning”.
VALVE GUIDE REPLACEMENT PROCEDURE
Replace the valve guide as follows.
1. Using special tool, press valve guide out toward cylinder
head lower surface. (1 EN040)
2. Machine valve guide hole in cylinder head to outer
diameter of oversize valve guide.
Оригинальная страница руководства
