High-Pressure Oil Rail Assembly - Navistar INTERNATIONAL DT 466 Service Manual

Figure 554 Installing the injector clamp
5. Using the fuel injector remover tool (Table 48),
install injector hold down clamp assembly.
Injector will be placed at the correct height.
Tighten bolt to the special torque value (Table
47).
Figure 555 Injector connector
6. Connect each injector harness connector to each
injector.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FUEL SYSTEM

High-pressure Oil Rail Assembly

CAUTION: To prevent engine damage, a new backup
ring and injector inlet seal must be installed on all six
injector oil inlet tubes.
CAUTION: To prevent engine damage,
installing new backup rings, a new backup ring must
match the backup ring removed from the injector oil
inlet tubes.
NOTE: To determine the correct width of the new
backup ring, see Groove Measurement (M) in Oil Inlet
Tube and Required Backup Ring (Table 45).
1. Inspect injector oil inlet adaptors for internal
O-ring extrusion and high-pressure oil leak
paths. Verify that each oil inlet tube is moveable.
Replace any adaptor having an extruded internal
O-ring, high-pressure oil leak path or seized oil
inlet tube.
Figure 556 Groove Measurement (M) in injector
oil inlet tube
2. Measure groove in the injector oil inlet tube.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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