MTU Detroit Diesel 12 V 2000 P62 Technical Publication page 112

108
Installing fuel injector
1. Remove all covers before installation.
2. Clean sealing surface on cylinder head and
protective sleeve.
3. Coat sealing ring (1) with petroleum jelly and fit
onto injector.
4. Coat sealing ring (2) with petroleum jelly and fit
onto injector.
5. Press injector into cylinder head by hand.
Result:
• The pin is at 11-o'clock position to the
longitudinal axis of the engine.
• The pin is engaged in the groove of the
clamp (4).
6. Install clamp (4) with screw (5), positioning it
correctly.
Result:
• Pin at injector is in the groove of the clamp.
• Forked clamp end is engaged in the cover
recess.
7. Tighten screw (5) of the clamp by hand.
Result: Injector is still rotatable.
8. Blow out fuel line (3) and pressure pipe neck (1)
with compressed air.
9. Coat sealing ring with petroleum jelly and fit onto
pressure pipe neck (1).
10. Coat sealing cone of pressure pipe neck with
engine oil.
11. Insert pressure pipe neck into cylinder head until
the sealing ring is in contact with cylinder head.
12. Fully press in pressure pipe neck (1) by hand.
13. Tighten thrust screw (2) to specified torque 40
Nm ± 5 Nm using torque wrench.
14. Install fuel line (3).
15. Use torque wrench to tighten union nut at injection
pump to specified torque 20 Nm + 5 Nm.
16. Use torque wrench to tighten union nut on pressure
pipe neck to specified torque 20 Nm + 5 Nm.
17. Use torque wrench to tighten screw for clamp at
injector to specified torque 50 Nm.
18. Install leak-off-fuel lines.
Final steps
1. Install cylinder-head cover (→ Page 100).
2. Vent fuel system.
MS15009/00E 06-09
Task Description
© MTU