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Figure 47 Brake shut-off valve and brake actuator– OFF
1.
High-pressure oil rail
2.
Injector oil gallery
3.
Brake oil gallery
During
normal
engine
high-pressure rail goes to the fuel injectors only. A
brake shut-off valve, mounted in the high-pressure oil
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
1 ENGINE SYSTEMS
4.
Brake shut-off valve assembly
5.
Brake actuator piston assembly
6.
Exhaust valve bridge
operation,
oil
in
the
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
7.
Valve lash (actuator retracted)
8.
Oil inlet
rail, is closed to prevent oil from entering the brake
gallery.
55
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