TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TEST OPTIONS Visual inspection REASON FOR QUESTION YES NO If air is not present, air hose 104 is faulty. If air is present, TRAILER AIR SUPPLY valve is faulty. Is air present at TRAILER AIR SUPPLY valve supply port? TM 9-2320-366-20-2 Replace air hose 104 (para 11-21). 2-1976.12 Change 1 j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (CONT) Replace TRAILER AIR SUPPLY valve (para 11-20). KNOWN INFO 9. Vehicle park and service brakes OK. Air hoses free from kinks. Emergency gladhand OK. Air hose 155, 157, or 167 OK. Air hose 149, 150, or 151 OK. Air hose 102 OK. Air hose 108 OK. Service gladhand OK. Air hose 241, 253, or 254 OK. Air brake protecting valve 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. POSSIBLE PROBLEMS Faulty TRAILER AIR SUPPLY valve. Faulty air hose 104.