Removing and Installing/Replacing Eccentric Shaft

11 37 005 - Removing and installing/replacing eccentric shaft (N12)





Special tools required:
- 11 4 481





Necessary preliminary tasks:
- Remove cylinder head cover Service and Repair.
- Remove intermediate lever Removing and Installing/Replacing Intermediate Levers.
- Remove inlet camshaft Removing and Installing/Replacing Inlet Camshaft.





Release screw (2) on magnet wheel (1).
Tightening torque: 11 37 5AZ Mechanical Specifications.





Installation:
Pay attention to journal and groove on intermediate shaft and magnet wheel.





Important!
Magnet wheel (1) is extremely magnetic.
After removing, protect magnet wheel (1) against metal chips by placing it in a plastic bag (2) with a seal.





Adjust eccentric shaft to minimum lift (1).





Release screws on all bearing caps (1).





All bearing caps are marked with numbers from (6 to 10); set down in neat order in special tool 11 4 481.





Remove intermediate shaft (1).





Important!
If one or more needle bearings are faulty, the complete eccentric shaft must be replaced.
Magnet wheel (2) is highly magnetic. No metal chips must stick to the magnet wheel (2), replace if necessary.

Check all needle bearings (3) of eccentric shaft (1) for ease of movement.





Bearing cap number 10 is provided with a stop.
Lubricate all bearing caps with engine oil.
All bearing caps (1) are identified with numbers from (6 to 10).
Tightening torque: 11 12 6AZ Mechanical Specifications.
Adjust eccentric shaft minimum lift.





Check eccentric shaft for ease of movement.
Assemble engine.