Lubricate screws (5) with the indicated product and tighten them by respecting the following sequence:
- pre-tightening to 20 Nm ± (Min. 18 - Max. 22);
- check clearance between pulley and camshaft;
- final tightening to 90 Nm ± (Min. 85 - Max. 95);
- check clearance between pulley and camshaft.