338 FUEL SYSTEM
High-pressure Hose Assembly
The high-pressure hose assembly was modified as a
production running change from (high-pressure hose
– generation 1 to high-pressure Hose with 70 and 90
Degree Elbows – generation 2).
See removal and installation procedures for
(High-pressure Hose – Generation 1 and
High-pressure Hose with 70 and 90 Degree
Elbows – Generation 2), listed in the Table of
Contents in this section.
High-pressure Oil System
Figure 521 High-pressure oil system
1. High-pressure oil manifold
2. Fuel injector assembly (6)
3. High-pressure pump assembly
4. Oil inlet from front cover reservoir
5. High-pressure hose
6. Oil inlet from high-pressure oil
manifold
7. Oil outlet (2)
8. Fuel inlet port (4)
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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