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 AIR SYSTEM LOSES PRESSURE DURING OPERATION/SLOW AIR PRESSURE BUILDUP 0042 00 AIR SYSTEM TROUBLESHOOTING - Continued Table 1. Air System Loses Pressure During Operation/Slow Air Pressure Buildup - Continued. 0042 00-5 Change 1 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 5. Is air present at delivery ports of front four port task valve? No Replace front four port task valve (WP 0109 00). 1. Loosen air hoses at front four port task valve delivery 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 hoses to front four port task valve supply port.