TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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TM 9-2320-365-20-2 TM 9-2320-365-20-2 TM 9-2320-365-20-2 TM 9-2320-365-20-2 TM 9-2320-365-20-2 2-1636 2-1636 2-1636 2-1636 2-1636 YES NO Is air present at supply port of relay valve? Visual inspection KNOWN INFO TEST OPTIONS REASON FOR QUESTION A blocked or leaking supply air hose from primary tank to supply port of relay valve will prevent air delivery to service brake chambers and cause rear brakes not to apply. 9. Front brakes OK. Air tanks pressurized. Supply air hose to foot control valve OK. Foot control valve OK. Air hoses at cab floor OK. Air hose to check valve OK. Check valve OK. Air hose to load sensing valve OK. Load sensing valve OK. Air hose to control port of relay valve OK. POSSIBLE PROBLEMS Faulty air hose to supply port of relay valve. Faulty relay valve. Faulty air hoses to spring brakes. Faulty vent hose from spring brake service chamber. Faulty spring brake chamber. Replace damaged air hose (para 11-19). i2. REAR BRAKES DO NOT APPLY (CONT) i2. REAR BRAKES DO NOT APPLY (CONT) i2. REAR BRAKES DO NOT APPLY (CONT) i2. REAR BRAKES DO NOT APPLY (CONT) i2. REAR BRAKES DO NOT APPLY (CONT)