TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
Page 770 of 1432
j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (CONT) KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION YES NO Is air present at air brake protecting valve delivery port TRLR E? Replace air brake protecting valve (para 11-16). Replace air hose 126 (para 11-19). 4. If air is not present, air brake protecting valve is faulty. If air is present, air hose 126 is faulty. Vehicle park and service brakes OK. Air hoses free from kinks. Emergency gladhand OK. Air hose 124 OK. Air hose 102 OK. Air hose 108 OK. TRAILER AIR SUPPLY valve OK. Air hose 104 OK. Service gladhand OK. Air hose 265 OK. Air hose 247 OK. Load sensing valve control port tee fitting OK. Service gladhand two-way check valve OK. Air hose 244 OK. Air hose 120 OK. Inversion valve control port 90-degree fitting OK. Air hose 117 OK. Faulty air hose 126. Faulty air brake protecting valve. POSSIBLE PROBLEMS TM 9-2320-365-20-2 2-1742.2 Change 1