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Disassembly / Reassembly
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KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_ rev. 00
CYLINDER HEAD, removal
Important
Do not remove the cylinder head when hot to avoid
deformation.
lf cylinder head is deformed by more than 0.10 mm, level it off by
removing a maximum of 0.20 mm.
For the cylinder head tightening procedure see page 67.
Valves
To remove the valves it is necessary to remove the collets; place
a spacer under the valve head, press strongly on the spring cap
as shown in the picture.
Components:
1 Valve stem
2 Valve stem seal ring
3 Spring seat
4 Spring
5 Spring cap
6 Collets
Valve stem sealing rings - Reassembly
To prevent deformation of the sealing ring 1 as it is inserted
onto the valve guide, insert it onto tool "7107-1460-047" 2 (after
lubricating the sealing ring) and proceed as shown int the picture
ensuring that gasket 1 is completely fitted.
Valve springs
Measure free height with a gauge.
Free height A = 46 mm.
Note: If the free height A is less than 43,5 mm replace the
spring.
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