10.
Tighten union nut (2) on pressure pipe neck (3) to specified torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Retaining screw
M24
Tightening torque
50 Nm +5 Nm
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
Size
Type
Lubricant
Value/Standard
Union nut
M20
Tightening torque
(Engine oil)
37 Nm +3 Nm
b) In case of double-wall (jacketed) HP fuel system
Name
Size
Type
Lubricant
Value/Standard
Union nut
M20
Tightening torque
(Engine oil)
50 Nm +5 Nm
4.
If the fuel system is jacketed, tighten retaining screw of HP fuel line (1) on pressure pipe neck (3) to
specified tightening torque using torque wrench
Name
Size
Type
Lubricant
Value/Standard
Retaining screw
M25
Tightening torque
(Engine oil)
15 Nm +5 Nm
5.
Tighten union nut of HP fuel line (1) on pressure pipe neck (3) to specified torque using a torque wrench
Name
Size
Type
Lubricant
Value/Standard
Union nut
M16
Tightening torque
(Engine oil)
37 Nm +3 Nm
104 | Task Description | MS150118/01E 2015-05
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