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TM 9-2320-270-10
Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
SEMITRAILER BRAKES WILL NOT RELEASE
Step 1.
Step 2.
Step 3.
Check position of semitrailer hand brake control (1).
Place semitrailer hand brake control (1) in OFF position.
Check position of TRAILER AIR SUPPLY control (2).
Push TRAILER AIR SUPPLY control (2) in.
Push in PARKING BRAKE control (3) to allow charging of semitrailer
air supply.
3-30
TA220927
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