Quantcast TRAILER BRAKES UNEVENLY OR BRAKES PULL TO ONE SIDE OR GRAB -CONT. - TM-9-2330-394-13-P0385

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TM 9-2330-394-13&P
BRAKE SYSTEM TROUBLESHOOTING - Continued
0037 00
BRAKE SYSTEM - Continued
Table 1. Brake System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. TRAILER BRAKES UNEVENLY
8.
Tighten service brake air
OR BRAKES PULL TO ONE
hoses to spring brakes at
SIDE OR GRAB - CONTINUED
ABS relay valve.
4.
Check to see if air is present
1.
Loosen service brake vent
at service brake air chamber
air hose at spring brake air
of affected wheel(s)/brake(s)
chamber.
when brakes are applied.
2.
Start towing vehicle engine.
3.
Allow brake air pressure to
build up.
4.
While assistant depresses
brake pedal, check for
presence of air escaping at
service brake vent air hose
at spring brake air chamber.
5.
Shut down towing vehicle
engine.
0037 00-23


 


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