MTU 20 V 4000 C22 Operations Instructions download pdf (Page 81)

9. Use slotted screwdriver to check thrust

ring at both line ends for secure seating.

10. Tighten loose thrust ring to the specified tightening torque.

Name Size Type Lubricant Value/Standard

Thrust ring Tightening torque 5 Nm to 10 Nm

11. Coat screw head mating face (2) and

thread with engine oil.

12. Fit hold-down clamp (1) in correct position by hand. Tighten screw (2) with torque wrench to the speci-

fied initial tightening torque.

Name Size Type Lubricant Value/Standard

Screw M12 Preload torque (Engine oil) 5 Nm to 10 Nm

13. Fit O-rings (4) and (6) on high-pressure fuel line (5) and coat with grease.

14. Tighten high-pressure fuel line (5) to the specified initial tightening torque.

Name Size Type Lubricant Value/Standard

HP line Preload torque (Engine oil) 5 Nm to 10 Nm

15. Tighten screw (2) to specified torque using a torque wrench.

Name Size Type Lubricant Value/Standard

Screw M12 Tightening torque 100 Nm + 10 Nm

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MTU 20 V 4000 C22 Operations Instructions Page 81