TM 9-2330-203-14&P
Table 3-1. Operator/Crew Troubleshooting ( Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES
4. BRAKES WILL NOT RELEASE.
Step 1. If dolly is uncoupled, open pressure tank draincock to release brakes. Close draincock.
If brakes do not release, notify Organizational Maintenance.
Step 2. If dolly is coupled, check air system shut-off valves on towing vehicle.
Open air system shut-off valves. If brakes do not release, proceed to step 3.
Step 3. Check intervehicular air hoses for proper connection.
Reconnect if required. If brakes do not release, proceed to step 4.
Step 4. Check intervehicular hoses for kinks or restrictions.
Remove kinks or restrictions. If brakes do not release, notify Organizational Maintenance.
5. NO BRAKES OR WEAK BRAKES.
Step 1. Check air system shut-off valves on towing vehicle.
Open air system shut-off valves if required. If brakes still do not work or are weak, proceed
to step 2.
Step 2. Check intervehicular air hoses for proper connection.
Reconnect if required. If brakes still do not work or are weak, proceed to step 3.
Step 3. Check dolly pressure tank draincock.
If open, close. If brakes still do not work or are weak, notify Organizational Maintenance.
6. SLOW BRAKE APPLICATION OR SLOW RELEASE.
Notify Organizational Maintenance.
7. BRAKES GRAB.
Open pressure tank draincock and drain any moisture.
If this does not correct problem, or if there is no moisture in pressure tank, notify
Organizational Maintenance.
8. BRAKES DRAG (ONE OR BOTH BRAKEDRUMS RUNNING HOT).
Notify Organizational Maintenance.
9. UNEVEN BRAKING.
Notify Organizational Maintenance.
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