MTU 20 V 4000 M93 x Operating Instructions Manual page 127

9. Coat screw head mating face (2) and
thread with engine oil.
10. Fit hold-down clamp (1) in the correct position and use torque wrench to tighten screw (2) to the speci-
fied initial tightening torque.
Name
Screw
Note: Ensure special cleanness.
11. Coat thread and sealing cone of adapter (3) with engine oil.
12. Install adapter (3) and use torque wrench to tighten to the specified initial tightening torque.
Name
Adapter
13. Tighten screw (2) with torque wrench to the specified tightening torque.
Name
Screw
14. Tighten adapter (3) with torque wrench to the specified tightening torque.
Name
Adapter
15. Install return line (7).
Note: Ensure special cleanness.
16. Coat thread and sealing cone of HP line (5) with engine oil.
Note: Two HP line versions (single- and double-walled) with different torques as described below.
17. Mount single-walled HP line (5) and use torque wrench to tighten to the specified torque. Tightening
sequence:
1 Rail (6)
2 Adapter (4)
Name
Union nut / thrust
screw
Size Type
M12 Preload torque
Size Type
Preload torque
Size Type
M12 Tightening torque
Size Type
Tightening torque
Size Type
Tightening torque
Lubricant
(Engine oil)
Lubricant
(Engine oil)
Lubricant
Lubricant
Lubricant
MS150048/04E 2013-07 | Task Description | 127
Value/Standard
5 Nm to 10 Nm
Value/Standard
5 Nm to 10 Nm
Value/Standard
100 Nm + 10 Nm
Value/Standard
100 Nm + 10 Nm
Value/Standard
30 Nm + 5 Nm