MTU 12 V 4000 M23F Operating Instructions Manual page 181

2. Remove HP fuel line 4).
Note: While the adapter is removed, the injector
is drained.
3. Remove adapter (3).
4. Remove screw (2) and take off hold-down
clamp (1).
5. Install installation/removal jig on cylinder
head.
6. Remove injector with installation/removal
jig.
7. Remove installation/removal jig.
8. Remove sealing ring (4) from injector or
use a self-made hook to take it out of the
cylinder head.
9. Remove O-rings (3), O-ring (2) and damper
ring (1) from injector.
10. Clean all mating and sealing surfaces.
11. Cover all connections and bores, or seal
with suitable plugs.
MS150068/01E 2014-01 | Task Description | 181