MTU V 4000 M70 Operating Instructions Manual page 133

7. Remove sealing ring (1) from injector or use
a self-made wire hook to extract it from the
cylinder head.
8. Remove O-rings (2) from injector.
9. Cover all connections and bores, or seal
with suitable plugs.
Installing injector
1. Remove all plugs before installing.
2. Coat nozzle retaining nut area of injector
with assembly paste.
3. Fit new O-rings on injector and coat with
grease.
4. Fit new sealing ring on injector with grease
ensuring correct installation position of seal‐
ing ring.
5. Clean sealing surface on cylinder head and
protective sleeve with milling cutter.
6. Insert injector into cylinder head ensuring
that the HP line connection is aligned cor‐
rectly.
7. Press in injector with installation/removal
device.
8. Remove installation/removal device.
MW15412/05E 2011-11 | Task Description | 133