TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION YES NO Go to step 6 of this fault. Is air present at air brake protecting valve control port TRA E? TM 9-2320-366-20-2 2-1976.4 Change 1 j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (CONT) Replace air brake protecting valve (para 11-18). POSSIBLE PROBLEMS 5. If air is present, air brake protecting valve is faulty. Vehicle park and service brakes OK. Air hoses free from kinks. Emergency gladhand OK. Air hose 155, 157, or 167 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 air hose 149, 150, or 151. Faulty air hose 102. Faulty air hose 108. Faulty TRAILER AIR SUPPLY valve. Faulty air hose 104. Faulty air brake protecting valve.