5. Tighten locknut (1) to specified torque using a torque wrench, holding the adjusting screw (2) to prevent it
from turning.
Name Size Type Lubricant Value/Standard
Nut M16 x 1.5 Tightening torque (Engine oil) 90 Nm +9 Nm man-
ual tightening
6. Replace or rectify adjusting screws and/or locknuts which do not move freely.
7. Check valve clearance.
Final steps
1. Remove barring tool (→ Page 75).
2. Install cylinder head cover (→ Page 94).
MS150049/04E 2017-04 | Valve Drive | 93
TIM-ID: 0000004357 - 008