Replacing pressure pipe union
1. Remove fuel line (3).
2. Remove thrust screw (2).
3. Pull off pressure pipe union (1).
4. Coat sealing ring with grease (Kluthe Haku‐
form 30-10/Emulgier) and fit on to new
pressure pipe union (1).
5. Blow out fuel line (3) with compressed air.
6. Coat sealing cone of pressure pipe union
with engine oil.
7. Insert pressure pipe union into cylinder
head until it is in contact with the sealing
ring.
8. Fully press in pressure pipe union (1) by
hand.
9. Tighten thrust screw (2) with torque wrench to the specified tightening torque.
Name Size Type Lubricant Value/Standard
Thrust screw Tightening torque 40 Nm ± 5 Nm
10. Install fuel line (3).
11. Tighten union nut on the injection pump to the specified tightening torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Union nut Tightening torque 20 Nm + 5 Nm
12. Tighten union nut on the pressure-tube connection piece to the specified tightening 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 118).
2. Vent fuel system (→ Page 131).
MS150031/03E 2011-10 | Task Description | 129
TIM-ID: 0000004678 - 004
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