FUEL SYSTEM 347
5. Clean outside of high-pressure oil rail using
appropriate solvent.
Figure 543 High-pressure oil rail
6. Remove oil inlet O-ring from recess in cylinder
head and discard O-ring.
Figure 544 Injector oil inlet adapter installed in
high-pressure oil rail
1. Injector oil inlet adaptor
2. Backup ring
3. Injector oil inlet seal
4. Oil inlet tube
5. Internal O-ring (not serviceable)
NOTE: It is not necessary to remove an injector oil
inlet adaptor to install a new backup ring and injector
inlet seal.
7. Remove and discard backup ring and injector
inlet seal from injector oil inlet adapters in the
high-pressure oil rail.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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