Mercedes-Benz 603 Service Manual page 248

Caution!
9 It
is absolutely essential to observe the
removal and
following sequence during
installation
in order to avoid damage to the
camshaft:
Engine 602
Unscrew both hexagon bolts on camshaft
1,
bearing caps 2 and 6 (dark arrows).
Loosen both hexagon bolts on camshaft bearing
caps 3, 4 and 5 in increments of one turn
respectively, until counterpressure is reduced
(light arrows).
Engine 603
Unscrew both hexagon bolts on camshaft
bearing caps 5 and 6 (dark arrows).
Loosen both hexagon bolts on camshaft bearing
caps 2, 3, 4 and 7 in increments of one turn
respectively, until counterpressure is reduced
(light arrows).
10 Remove camshaft upwards.
1 2 3 4
EXIT
5
6