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 00-6 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 5. Is air present at supply port of rear four port task valve? No Replace air hose 201. 1. Loosen air hose 201 at rear four port task valve supply port. Yes Go to (Indication/Condition 6). 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 201 to rear four port task valve supply port.