International HS 2.8L Service Manual page 59

Cylinder Head
VALVES
Disassembly
1. Remove cylinder head, see CYLINDER
HEAD - Removal.
2. With tool nr. 8130001, compress springs and
remove valves locks.
3. Remove springs seats, springs, springs
washers, seals and valves.
4. While removing or replacing valves, mark
with electric pencil the corresponding number
of each cylinder.
Cleaning and inspection
1. Remove carbon from combustion chamber,
valve guides and valves. Wash all parts with
solvent.
2. Check valve rod diameters with micrometer
in three positions.
3. If the clearance between the rod valve outer
diameter and guide inner diameter is over
than specified replace guide by another, see
VALVE GUIDES.
4. Check springs.
Assembly
1. In the assembly, seals must be replaced and
assembled very carefully. Use a compound
of Bisulphet of Molybdenum mixed with
engine oil. Apply a little coat in valve rod.
2. Install valve in its corresponding guide.
3. Assembly new seal, spring washers, springs
and spring seats. Lubricate parts in the
assembly sequence.
4. Compress springs and assembly locks.
5. Assembly valves covers.
5 8
International HS 2.8L
INTERNATIONAL ENGINES
Service Manual - 8120081 - 05/02