TM 9-2330-383-14&P
Table 3-1. Operator Troubleshooting Table - CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES
1. SPRING BRAKES WILL NOT RELEASE.
NOTE
Check towing vehicle air pressure gage. Pressure should be 60 psi
minimum. Allow 2 minutes for trailer air tanks to fill.
Step 1.
Check that towing vehicle to trailer air supply is turned on.
a.
If air is shut off, turn on air supply and charge trailer air
tanks.
b.
If air supply is on, proceed to step 2.
Step 2.
Check connections of air hoses between towing vehicle and trailer.
a.
If air hoses are not properly connected (Emergency to
Emergency, Service to Service), reconnect air hoses.
b.
If air lines are connected properly, notify unit maintenance.
2. 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 tanks by opening drain cocks.
a.
If moisture is in tanks, allow to drain; close drain cocks.
b.
If tanks are dry and malfunction is not corrected, notify unit
maintenance.
