MTU 12V2000G65 Operating Instructions Manual page 95

Replacing pressure pipe neck
1. Disconnect fuel line (2).
2. Blow out fuel line (2) with compressed air.
3. Remove thrust screw (4).
4. Withdraw pressure pipe neck (5).
5. Coat sealing ring with grease and fit on new
pressure pipe neck (5).
6. Coat the tape of the pressure pipe neck (5)
with engine oil.
7. Insert pressure pipe neck (5) into cylinder
head until the sealing ring is in contact with
cylinder head.
8. Fully press in pressure pipe neck (5) by hand.
9. Tighten thrust screw (4) with torque wrench to the specified tightening torque.
Name
Thrust screw
10. Loosen thrust screw (4) and tighten it again with torque wrench to the specified tightening torque.
Name
Thrust screw
11. Coat the mating face between union nut and fuel line, ball seal and thread on both ends of the fuel line (2)
with engine oil.
12. Connect fuel line (2) to injection pump and pressure pipe neck (5).
13. Tighten union nut (1) on injection pump hand-tight.
14. Tighten union nut (3) on pressure pipe neck (5) hand-tight.
Note: Observe the tightening torque according to the lettering on the union nuts (1) and 3).
15. Tighten union nuts (1) marked with "35 +3 Nm" (see arrows) with torque wrench to the specified tightening
torque.
Name
Union nut
16. Tighten union nuts (1) marked with "30 +3 Nm" (see arrows) with torque wrench to the specified tightening
torque.
Name
Union nut
17. Tighten union nuts (3) marked with "35 +3 Nm" (see arrows) with torque wrench to the specified tightening
torque.
Name
Union nut
18. Tighten union nuts (3) marked with "30 +3 Nm" (see arrows) with torque wrench to the specified tightening
torque.
Name
Union nut
Size Type
M22 x 1.5 Tightening torque
Size Type
M22 x 1.5 Tightening torque
Size Type
M14 Tightening torque
Size Type
M14 Tightening torque
Size Type
M14 Tightening torque
Size Type
M14 Tightening torque
Lubricant
(Engine oil)
Lubricant
(Engine oil)
Lubricant
(Engine oil)
Lubricant
(Engine oil)
Lubricant
(Engine oil)
Lubricant
(Engine oil)
MS15018/03E 2016-02 | Fuel System | 95
Value/Standard
45 Nm ±2.5 Nm
Value/Standard
45 Nm ±2.5 Nm
Value/Standard
35 Nm +3 Nm
Value/Standard
30 Nm +3 Nm
Value/Standard
35 Nm +3 Nm
Value/Standard
30 Nm +3 Nm