High-Pressure Hose Assembly - Generation 1; High-Pressure Hose Assembly With 70 And 90 Degree Elbows - Generation 2 - Navistar INTERNATIONAL DT 466 Service Manual

High-pressure Hose Assembly – Generation 1
Figure 536 Removal of high-pressure oil hose
assembly
1. Remove the high-pressure oil hose assembly
between the high-pressure pump assembly and
cylinder head.
2. Remove and discard O-ring at each fitting.
3. If necessary, remove high-pressure hose fitting
located at cylinder head.
High-pressure Hose Assembly with 70 and 90
Degree Elbows – Generation 2
1. Remove the conduit cover from the high-pressure
hose assembly.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FUEL SYSTEM
Figure 537 High-pressure hose assembly
connections (typical)
1.
2.
3.
4.
5.
6.
2. Remove high-pressure oil hose swivel nuts from
70 and 90 degree elbows. Use one wrench to
hold the high-pressure oil hose nut in place while
loosening its corresponding swivel nut using
another wrench.
hose.
Figure 538 High-pressure oil elbow (typical)
1.
2.
3.
4.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
High-pressure oil hose
High-pressure oil hose nut (2)
Elbow jam nut (2)
70 degree elbow
Swivel nut (2)
90 degree elbow
Remove the high-pressure
O-ring seal (#14) (2)
Back-up ring
Elbow jam nut
Elbow
345