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 00-6 INDICATION/CONDITION DECISION (NO/YES) PROCEDURAL STEPS 5. Does air hose 001 have any kinks, holes, leaks? No Replace brake protection valve (WP 0075 00). 1. Connect hose 003 to drawbar lift control valve port A. Yes Replace air hose 001. 2. Apply soapy water solution to air hose 001, fittings, and port P. 3. Check air hose 001 between drawbar lift control valve and brake protection valve for bubbles indicating holes or leaks. 4. Check fittings for bubbles indicating leaks.