TM-9-2320-334-13&P LHST Operator, Field and Parts Manual M1147A1 Trailer Download
Page 261 of 1184
TM 9-2330-334-13&P TRAILER BRAKES UNEVENLY OR BRAKES PULL TO ONE SIDE OR GRAB -Continued 0044 00 BRAKES TROUBLESHOOTING - Continued Table 1. Trailer Brakes Unevenly Or Brakes Pull To One Side Or Grab - Continued. 0044 00-9/10-Blank Change 1 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 8. Is air present at service port of brake air chamber of affected wheel(s)/brake(s) while brakes are applied? No Replace damaged or blocked air hoses. 1. Tighten hoses at delivery ports of ABS relay valve (front) or ABS ECU valve (rear). Yes Replace spring brake chamber (WP 0081 00). 2. Loosen hoses at service port of brake air chamber of affected wheel(s)/brake(s). 3. Start towing vehicle engine. 4. Allow brake air pressure to fully charge. 5. Depress brake pedal and have assistant check for presence of air escaping at service port of air brake chambers and air hoses. 6. Shut down towing vehicle engine. END OF WORK PACKAGE