MTU 12V4000Bx4 Operating Instructions Manual page 255

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Replacing rings, installing injec-
tor
Note:
Remove plugs on HP line only before installa-
tion of the adapter.
1.
Remove plug.
2.
Use milling cutter to remove oil carbon from
sealing face on cylinder head and protective
sleeve.
Note:
• Replace sealing ring (1) between injector
and water sleeve whenever the injector is
disassembled.
• Make sure the ring assembly is correctly
positioned: The closed side of the CE ring
must abut on the injector, while the pro-
truding (open) side of the CE ring must
face the combustion chamber.
• A multi-purpose grease without solids con-
tent must be used.
3.
Install new sealing ring (1) abutted to (Multi-
purpose grease) and ensure that the installa-
tion position is correct.
4.
Fit damper ring (2) on injector and apply (As-
sembly compound (Molykote P 37)).
5.
Fit new O-rings (5) on injector (3) and apply
(Assembly compound (Kluthe Hakuform
30-15)).
Note:
Make sure that the sealing ring (4) does not
fall into the coolant sleeve.
6.
Ensure that the sealing ring (4) is correctly
seated.
7.
Insert injector (1) in the cylinder head, ensur-
ing that it is correctly aligned with the HP line
connection.
MS15038/01E 2018-11 | Injector | 253

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12v4000gx416v4000bx416v4000gx4

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