TM-9-2320-334-13&P LHST Operator, Field and Parts Manual M1147A1 Trailer Download
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TM 9-2330-334-13&P SERVICE BRAKES DO NOT APPLY-Continued 0043 00 BRAKES TROUBLESHOOTING - Continued Table 1. Service Brakes Do Not Apply - Continued. Change 1 0043 00-12 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 11. Is air present at control port of ABS relay valve? No Replace air hose 103. 1. Loosen air hose 103 at ABS relay valve control port. Yes Go to (Indication/Condition 12). 2. Start towing vehicle engine. 3. Depress towing vehicle brake pedal. 4. Check for presence of air. 5. Shut down towing vehicle engine. 6. Tighten air hose 103 to ABS relay valve control port.