Porsche 928 Workshop Manual page 261

15
Engine, Cylinder Head, Valve Gear
928
5.Turn the crankshaft on past
TDC (cylinder 1) while observing
gauge.
Continue turning
engine until the lift is 1.6 +
0.1 mm. The 20" (after TDC,
cylinder 6) mark must now be
aligned with the index mark on
the camshaft drive belt cover.
6.If the components are not
aligned, proceed as
follows:
Adjusting
Cylinder bank 1 - 4
l.Install 3 extra M5 x 15
bolts to hold camshaft wheel,
so as to prevent the camshaft
wheel or camshaft turning when
the retaining bolts are
slackened.
2.Turn crankshaft in its usual
direction of rotation
until the gauge shows a lift
of 1.6 + 0.1 mm.
3.Slacken camshaft retaining bolts,
bolts must be countered.
Slacken provisional M 5 bolts.
a
l
15 - 134
Camshaft Setting, Checking and
Printed in Germany
Adjusting