Removing and Installing Rocker Arm Shafts

REMOVING AND INSTALLING ROCKER ARM SHAFTS

Remove cylinder head 1112 100




Set up Special Tool 111 060 on Special Tool 490 and mount cylinder head with one cylinder head bolt.




Mount adapter (2) again.

Adjust valve clearance of all valves to greatest value.




Remove front and rear plugs (3).

Remove guide plate (4).

Installation:
Guide plate (4) must fit in grooves of rocker arm shafts.




Remove spring clamps.

Installation:
Straight surfaces of spring clamps must fit in grooves of rocker arm shafts.




Remove rocker arm shafts.

1) Exhaust Side:
Cylinder no, 6 must overlap.

Push in rocker arms of cylinder no.1 and turn camshaft on adapter to intake side until rocker arms (all) are relaxed.

Pull out rocker arm shaft.





2) Intake Side:
Turn camshaft on the adapter to exhaust side and move rocker arms until all rocker arms are relaxed

Pull out rocker arm shaft.

Replace worn (scored) rocker arm shafts and rocker arms.




Installation:
Install rocker arm shafts that large oil bores face down to valve guides and small oil bores as well as grooves for guide plate face in.