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. 0043 00-13 Change 1 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 12. Is air present at two delivery port of ABS relay valve? No Replace ABS relay valve (WP 0075 00). 1. Loosen air hoses at ABS relay valve delivery ports. Yes Go to (Indication/Condition 13). 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 hoses to ABS relay valve delivery ports.