MTU 12V2000Gx6 series Operating Instructions Manual page 131

Installing fuel line
1. Coat thread and shoulder of union nuts on HP fuel line (1) with engine oil.
Note: Position fuel line, ensuring it is free of tension.
2. Position HP fuel line (1) with union nut (2) in correct position between rail and pressure pipe neck (3), then
tighten by hand.
3. Tighten union nut of HP fuel line (1) on rail to specified torque using a torque wrench.
a) In case of single-wall HP fuel system
Name
Union nut
b) In case of double-wall (jacketed) HP fuel system
Name
Union nut
4. Tighten union nut of HP fuel line (1) on pressure pipe neck (3) to specified torque using a torque wrench.
Name
Union nut
Final steps
1. Install cylinder head cover (→ Page 124).
2. Open fuel supply line.
3. Vent fuel system (→ Page 136).
Size Type
M20 Tightening torque
Size Type
M20 Tightening torque
Size Type
M16 Tightening torque
Lubricant Value/Standard
(Engine oil) 37 Nm +3 Nm
Lubricant Value/Standard
(Engine oil) 50 Nm +5 Nm
Lubricant Value/Standard
(Engine oil) 37 Nm +3 Nm
MS15054/03E 2018-07 | Injector | 131