Replacing pressure pipe neck
1.
Remove fuel line (3).
2.
Remove thrust screw (2).
3.
Pull off pressure pipe neck (1).
4.
Coat sealing ring with assembly compound
and fit on new pressure pipe neck (1).
5.
Blow out fuel line (3) with compressed air.
6.
Coat sealing cone of pressure pipe neck with
engine oil.
7.
Insert pressure pipe neck into cylinder head
until it is in contact with the sealing ring.
8.
Fully press in pressure pipe neck (1) by hand.
9.
Tighten thrust screw (2) to specified torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Thrust screw
Tightening torque
40 Nm ± 5 Nm
10.
Install fuel line (3).
11.
Tighten union nut on injection pump to specified torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Union nut
Tightening torque
20 Nm + 5 Nm
12.
Tighten union nut on pressure pipe neck to specified torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Union nut
Tightening torque
20 Nm + 5 Nm
Final steps
1.
Install cylinder head cover (→ Page 158).
2.
Vent fuel system (→ Page 170).
168 | Fuel System | MS150031/06E 2016-010
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