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 DRAWBAR DOES NOT RAISE/LOWER -Continued 0050 00 PNEUMATIC TROUBLESHOOTING - Continued Table 1. Drawbar Does Not Raise/Lower - Continued. Change 1 0050 00-8 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 7. Is air escaping from pressure relief valve? No Go to (Indication/Condition 8). 1. Charge trailer air system (TM 9-2320-392-10). Yes Replace pressure relief valve (WP 0068 00). 2. Raise handle on drawbar lift control valve. 3. Listen and feel for air escaping from pressure relief valve. 4. Release drawbar lift control handle.