MTU MW15406/17E, Operating Instructions Manual

Page: 168 / 241

Installing injector
1. Remove all covers before installation.
2. Clean sealing surface on cylinder head and
protective sleeve.
3. Coat sealing ring (1) with grease and fit on-
to injector.
4. Coat sealing ring (2) with grease and fit on-
to injector.
5. Press injector (3) into cylinder head by
hand.
Result: • The pin is at 11-o'clock position to the
transversal axis of the engine.
• Pin is in recess of clamp (4).
6. Install clamp (4) with screw (5), positioning
it correctly.
Result: • Pin on injector is in the recess in the
clamp.
• Forked clamp end is engaged in the cov-
er recess.
7. Tighten screw (5) of the clamp by hand.
Result: Injector can still be turned.
8. Blow out fuel line (3) and pressure pipe
neck (1) with compressed air.
9. Coat sealing ring with grease and fit onto
pressure pipe neck (1).
10. Moisten taper of pressure pipe neck with
engine oil.
11. Insert pressure pipe neck into cylinder
head until it is in contact with the sealing
ring.
12. Fully press in pressure pipe neck (1) by
hand.
13. 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
14. Tighten screw for clamp at injector to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw Tightening torque 50 Nm
15. Install fuel line (3).
16. 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
168 | Task Description | MW15406/17E 2014-05
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