TM-9-2320-365-20-2
M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-365-20-2 - Page 670 of 1432
i3.
PARKING BRAKE DOES NOT RELEASE
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
1.
KNOWN INFO
Do all rear wheels fail to
release?
TEST OPTIONS
Perform Brake System
Troubleshooting (i5. Vehicle
Brakes Unevenly).
WARNING
Read WARNING
on following page.
TM 9-2320-365-20-2
START
NO
YES
2-1644
Change 2
Air tanks pressurized.
Gladhands OK.
POSSIBLE PROBLEMS
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.
Visual inspection
REASON FOR QUESTION
If some but not all wheels fail
to release, fault is delivery of
air to individual wheel brakes.
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
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