Version 2: Installation
All contact surfaces (1) of guide block must be clean and free from oil and grease. If necessary, clean contact surfaces (1).
Lift out intermediate levers (2).
Place all intermediate levers (2) in neat order in special tool 11 4 481.
Installation:
Mixing up the intermediate levers (2) will cause the engine to suffer idle-speed fluctuations.
Installation:
All contact surfaces (1) must be clean and free from oil and grease. If necessary, clean contact surfaces (1).
All intermediate levers (1) are classified.
All intermediate levers (1) must be reinstalled in the same positions in an engine which has already been in use.
Risk of damage!
Install intermediate levers (2).
Fit guide block (2) cleanly into opening.
Tighten screws (1) hand-tight.
Check that intermediate levers are in correct installation position.
Release screws (1) by a 1/4 turn.
Secure special tool 11 4 450 to screw fixing (1) of eccentric shaft.
Move eccentric lever (3) on special tool 11 4 450 in direction of arrow.
Guide block is now pretensioned.
Insert screws (2) of guide blocks.
Tightening torque 11 37 1AZ .
Installation:
At cylinder no. 3, the guide block can be pre-installed with one screw (internal) only.
Oil spray nozzle is fitted only after torsion spring has been installed.
Install torsion spring (2) on guide block.
Insert torsion spring (2) in intermediate lever (1) (see arrow).
Check that cam follower (3) is in correct installation position.
Position special tool 11 7 110 on return spring.
Clamp return spring with knurled screw (1) in direction of arrow.
Return spring (1) is positioned correctly when catches (see arrows) are surrounding return spring (1).
Risk of damage!
Check return spring on intermediate lever to ensure correct installation position.
Press special tool 11 7 110 to stop in direction of arrow.
Risk of damage!
Tighten bolt (1).
Tightening torque 11 37 2AZ .
At cylinder no. 3, adjust oil spray nozzle (2) so that oil spray points precisely towards spline teeth (3).
Insert screw (1) with oil spray nozzle (2) (external).
Tightening torque 11 37 4AZ .
Assemble engine.