Quantcast Table 1. Brake System Troubleshooting Procedures - Continued. - TM-9-2330-394-13-P0251

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TM 9-2330-394-13&P
BRAKE SYSTEM TROUBLESHOOTING
0029 00
BRAKE SYSTEM - Continued
Table 1. Brake System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
PARKING BRAKES WILL NOT
4.
If either FRONT BRAKE AIR
RELEASE - CONTINUED
or REAR BRAKE AIR pressure
gages do not register 120 psi,
notify Field Level
Maintenance to continue
troubleshooting.
2.
Check to see if air tank
Close air tank drain valve, if
drain valve is open.
open.
3.
Check air hose connections
If air hoses are not properly
between towing vehicle and
connected (Service to Service
trailer.
and Emergency to
Emergency), reconnect
properly.
4.
Check for missing or
If coupler seal is damaged or
damaged coupler seal on
missing, notify Field Level
gladhand.
Maintenance.
5.
Inspect air brake hoses and
1.
If air brake hoses or
connections for leaks.
connections are leaking,
notify Field Level
Maintenance.
2.
If parking brake(s) still will
not release, notify Field Level
Maintenance to continue
troubleshooting.
3.
BRAKES OVERHEAT
1.
Check tires for proper
1.
If tires are improperly
inflation and damage (WP
inflated, adjust tire pressure
0044 00, Checking Tire
Pressures).
Inflating Tires).
2.
If tires are damaged, notify
Field Level Maintenance.
3.
If brakes still overheat, notify
Field Level Maintenance to
continue troubleshooting.
4.
TRAILER BRAKES
1.
Check to see if TRAILER AIR
If TRAILER AIR SUPPLY knob
UNEVENLY, BRAKES PULL
SUPPLY knob on the towing
is not engaged, do so.
TO ONE SIDE OR GRAB
vehicle is engaged.
2.
Check to see if air tank
Close air tank drain valve, if
drain valve is open or
open. If air tank drain valve
leaking.
is leaking, notify Field Level
Maintenance.
0029 00-5


 


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