TM 9-2330-386-14&P
OPERATOR TROUBLESHOOTING TABLE - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES - continued
4. BRAKES WILL NOT RELEASE - continued.
Check pressure gage in towing vehicle for a minimum of 90 psi.
Step 2.
a. If pressure is low, build up air pressure to normal level.
b. If pressure is low and will not build up, notify Organizational
Maintenance.
c. If pressure is normal, go to step 3.
Step 3. Check air line connections at gladhands.
a. If air lines are not properly connected (Emergency to Emergency,
Service to Service), reconnect gladhands.
b. If air lines are connected properly, go to step 4.
Check for dirty or damaged packing in gladhands.
S t e p 4.
a. If packing is dirty, clean packing (para. 3-7).
b. If packing is leaking or missing, notify Organizational
Maintenance.
c. If packing is clean and not damaged, go to step 5.
Inspect air line connections for leaks.
Step 5.
a. If leaks are evident, notify Organizational Maintenance.
b. If no leaks are evident, go to step 6.
Step 6.
Check for open drain cock on each reservoir.
a. If either drain cock is open, close it (para. 3-6).
b. If drain cocks are closed, notify Organizational Maintenance.
5. GRABBING BRAKES.
WARNING
Wear protective goggles when opening drain cock and avoid
the air stream. Failure to do so could result in personal
injury.
Check for moisture in air reservoir by opening each drain cock (para. 3-6).
a. If moisture is present, allow to drain.
b. If reservoirs are dry and malfunction is not corrected, notify
Organizational Maintenance.
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