TM 9-2330-371-14&P
OPERATOR TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. BRAKES WILL NOT RELEASE CONTINUED
Check for dirty or leaking gladhand connection.
Step 4.
a. If gladhand is dirty, clean.
b. If gladhand is leaking, notify organizational maintenance.
Inspect brake air and hydraulic hoses, tubes, and connectors for leaks.
Step 5.
If hoses, tubes, or connectors are leaking, notify organizational
maintenance.
WARNING
Airstream from open draincock could cause eye injury. Wear eye protection when
working with air under pressure. Failure to do so could result in eye injury.
Check semitrailer air reservoir for open draincock.
Step 6.
a. If draincock is open, close it.
b. If draincock is closed and brakes still will not release, notify
organizational maintenance.
4. BRAKES GRAB.
Check for moisture in air reservoir by opening draincock.
a. If moisture is in air reservoir, allow to drain and close
draincock.
b. If air reservoir is dry and brakes still grab, notify organiza-
tional maintenance.
5. BRAKES DO NOT APPLY OR APPLY SLOWLY.
Check that air supply from tractor is turned on.
Step 1.
If air is turned off, turn on air.
Check air pressure in truck tractor.
Step 2.
