Porsche 928 Workshop Manual page 172

15
Engine/Cylinder Head, Valves
Note When: Special
NO. Description my. Removing Installing
Instructions
1 Plug 6 Torque:
M 18x 1.5
40 Nm
2 Seal 6
Replace
Alf3x22
3 Screw with attached 15
Torque:
washer M 8 x 35 20 Nm
4 Camshaft housing 1
5 Hydraulic valve 8 Do not mix up;
lifter
store that oil bore
faces up
6 Gasket for 1
Always replace;
camshaft housing TOP faces up when
installed
7 Bolt 1 Torque:
M 10 x 95 65 Nm; hold on
washer with'hexagon
8 Washer with 1
Position correctly,
hexagon
flat surface faces
sprocket
9 Camshaft sprocket 1 Check position seepage 15.Id
when mounting
toothed belt
IO Woodruff key 1
II Bolt 3
M6x25
I2 Washer 3
A 6.4
13 Flange bearing 1
15.6d Disassembling and Assembling Valve Drive
Printed in Germany