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 TM 9-2330-331-14&P
0010 00
Table 1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES SYSTEM
WARNING
1. BRAKES WILL NOT
RELEASE
Chock wheels to prevent
semitrailer from moving when
brakes are released (caged).
Failure to follow this warning
may result in serious injury
or death.
A hot brake can cause serious
burns. Exercise caution before
attempting to touch wheel hub
after use. Radiated heat will be
felt before brake drum is
touched.
NOTE
In the event of air system pressure
loss, failsafe unit on axles will
automatically apply brakes. If
semitrailer must be moved and there
is not enough air system pressure to
compress spring in spring brake
chambers to release brakes, you
will have to do this manually
1. Check towing vehicle for proper air
If air pressure is low, increase to
pressure. Refer to towing vehicle
normal level.
technical manual.
2. Check for proper air coupling
Connect air couplings.
connections at towing vehicle and
semitrailer (WP 0007 00-02).
3. Check for air leaks in brake hoses
Notify Organizational
and connectors.
Maintenance if hoses or
connectors require repair
or replacement.
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