i3. PARKING BRAKE DOES NOT RELEASE
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
1.
KNOWN INFO
Air tanks pressurized.
POSSIBLE PROBLEMS
Do all rear wheels fail to
release?
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
If some but not all wheels fail
to release, fault is delivery of
air to individual wheel brakes.
Perform Brake System
Troubleshooting (i5. Vehicle
Brakes Unevenly).
WARNING
Read WARNING
on following page.
Faulty air hose 107.
Faulty park control two-way
check valve.
Faulty SYSTEM PARK air
supply valve.
Faulty air hose 103.
Faulty air hose 109.
Faulty two-way check valve.
Faulty air hose 119.
Faulty inversion valve.
Faulty air hose 221.
Faulty anti-compounding
valve.
Faulty air hose 231.
TM 9-2320-365-20-2
2-1644 Change 1
START
NO
YES