Porsche 928 Workshop Manual page 218

928
Engine/Cylinder Head, Valve Drive
15
Note khen:
NO.
Description
Qty.
Removing
Installing
1 Hydraulic valve 16
Remove with the
Oil
tapet
aid of a magnet,
do not mix up
2
Conical valve 32
keeper
Check that seating
is correct
3 Spring plate 16
4
Valve spring 16
set
5
Valve spring
retainer
16
6 Washer
X Note number
Redetermine if
necessary
7
Valve stem
16
seal
Always renew, press
in with press-in tool,
Special Tool
9225/l,
oil sealing lip
8
Intake valve 8
Oil valve stem
9 Exhaust valve 8
Oil valve stem
.O Valve guide
16
Printed in Germany
- XVI,1987
Disassembling and Assembling
15
- 111
Cylinder Head