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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 grease and fit on‐
to injector.
4.
Coat sealing ring (2) with grease and fit on‐
to 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 cov‐
er 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 grease 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 cylin‐
der 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 97).
2.
Vent fuel system (→ Page 109).
MS150025/02E 2012-10 | Task Description | 105
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