Removing and Installing/Replacing Positioning Motor for Eccentric Shaft

11 37 020 Removing and installing/replacing positioning servomotor for eccentric shaft (N18)





Necessary preliminary work:
^ Remove acoustic cover.





Disconnect the plug connection on the actuator drive.

Release screws (1).





Note:
The protective film on the adjusting screw (1) on the actuator drive (2) must be punched through.

Graphic shows protective film removed.





Important!
Risk of damage to the intermediate shaft.

Use a hexagon socket wrench for the reversible ratchet (1) to turn the shaft in direction of the arrow to the left and relax the intermediate shaft.

Note:
Do not rotate shaft too far; do not rotate past the end stop.

Remove actuator drive.

Installation note:
Insert actuator drive with screwdriver (2).





Important!
Risk of damage to sealing surface.

Lever out the shaft seal (1) with a suitable tool, if applicable.





Installation note:
Detach the shaft seal (1) in direction of arrow and replace.





Installation note:
Press the shaft seal (1) to the limit position on the housing.





Screw in the actuator drive (1) in direction of arrow evenly with the shaft over the gearing of the intermediate shaft to the limit position.





Insert bolts (1).

Tightening torque: 11 37 4AZ.

The plug connection must audibly engage at the actuator drive.





Installation note:
Bond the protective film over the adjusting screw (1).





Assemble engine.

Check function of Digital Engine Electronics.