MTU 12V2000B26F - Page 80

3. Tighten union nut of HP fuel line (1) on rail to specified tightening torque using a torque wrench.
a) For single-wall high-pressure fuel system
Name Size Type Lubricant Value/Standard
Union nut M20 Tightening torque (Engine oil) 37 Nm +3 Nm
b) For double-wall high-pressure fuel system
Name Size Type Lubricant Value/Standard
Union nut M20 Tightening torque (Engine oil) 50 Nm +5 Nm
4. Tighten union nut of HP fuel line (1) on pressure pipe connection (3) to the specified tightening torque
using a torque wrench.
Name Size Type Lubricant Value/Standard
Union nut M16 Tightening torque (Engine oil) 37 Nm +3 Nm
Fitting gasket and connecting in-
jector cable
1. Place gasket on cylinder head, ensuring
correct position.
2. Push spade lugs under the terminals (arrow) on the injector and tighten with torque wrench to the
specified tightening torque.
Name Size Type Lubricant Value/Standard
Nut M4 Tightening torque (Engine oil) 1.5 Nm ±0.25 Nm
Final steps
1. Install cylinder head cover (→ Page 74).
2. Open fuel supply line.
3. Vent fuel system (→ Page 85).
80 | Task Description |
MS150118/00E 2014-07
TIM-ID: 0000050909 - 002