358 FUEL SYSTEM
Figure 568 Good position and alignment of new
high-pressure oil hose (typical)
1. High-pressure oil hose
2. High-pressure oil hose nut (2)
3. Elbow jam nut
4. 70 degree elbow
5. Swivel nut (2)
6. 90 degree elbow
5. Install 70 degree elbow into high-pressure oil port
on intake side of the cylinder head. Run fitting all
the way in finger tight and then back fitting off (less
than one full turn) to orient fitting toward the front
of the engine.
6. Install 90 degree elbow into high-pressure oil
pump. Run fitting all the way in finger tight and
then back fitting off (less than one full turn) to
orient fitting.
7. Connect the high-pressure oil hose to the 70 and
90 degree elbows and finger tighten swivel nuts.
Figure 569 Bad alignment of high-pressure oil
hose (hose twisted)
Figure 570 Good alignment of high-pressure oil
hose (hose not twisted)
CAUTION: To prevent engine damage, the
high-pressure oil hose must be positioned and
aligned in a smooth arc, not twisted, under excess
tension or touching engine components.
8. Position and align the high-pressure oil hose, so
the hose is not under excess tension or twisted.
Tighten each swivel nut on the high-pressure
hose, using one wrench to hold the hose nut,
while using another wrench to tighten the swivel
nut to special torque value (Table 47).
9. Position and align the high-pressure oil hose, so
the hose is not under excess tension and the hose
bends in a smooth arc. Use one wrench to hold
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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