TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO NO TEST OPTIONS Visual inspection REASON FOR QUESTION YES Is air present at emergency gladhand supply port? Go to step 4 of this fault. If air is present, emergency gladhand is faulty. WARNING Read WARNING on following page. TM 9-2320-366-20-2 2-1976 Change 1 j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (CONT) 3. Vehicle park and service brakes OK. Air hoses free from kinks. Air hose 149, 150, or 151 OK. Air hose 102 OK. Air hose 108 OK. TRAILER AIR SUPPLY valve OK. Air hose 104 OK. Service gladhand OK. Air hose 241, 253, or 254 OK. Air hose 230 or 256 OK. Load sensing valve control port tee fitting OK. Air hose 240 or 243 OK. Booster valve OK. Service gladhand two-way check valve OK. Air hose 145 OK. Air hose 120 OK. Inversion valve control port 90-degree fitting OK. Air hose 128, 130, or 132 OK. Faulty emergency gladhand. Faulty air hose 155, 157, or 167. Faulty air brake protecting valve. POSSIBLE PROBLEMS Replace emergency gladhand (para 11-24).