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TM 9-2320-364-20-2
2-1742
1. PARKING BRAKES ON AXLES NO. 3 THROUGH NO. 5 DO NOT RELEASE.
INITIAL SETUP
1.
Are air lines 2611, 2612, 2622
and 2638 free from crimps
and/or leaks and are fittings
free of leaks?
Replace air lines
and/or tighten/replace
fittings, (Para 12-36)
and schematic
Fig 2-45).
Verify repair, go to
Step 5 of this Fault.
START
YES
NO
Nothing.
Air lines crimped or leaking
and/or fittings leaking.
Spring brake valve leaking.
Dash manifold valve faulty.
Spring brake valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Audible inspection.
If air lines and/or fittings are
leaking, the loss of air pressure
will prevent the brakes from
operating correctly.
2-24. BRAKES SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
Pressure Test Kit (Item 50, Appendix G)
Personnel Required
Two
Equipment Condition
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
LHS fully extended, (TM 9-2320-364-10)
References
TM 9-2320-364-10
WARNING
Read WARNING
on Page 2-1743
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