TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TEST OPTIONS KNOWN INFO Visual Inspection REASON FOR QUESTION Is air present at air brake protecting valve supply port FV2? If air is present, air brake protecting valve is faulty. NO YES TM 9-2320-366-20-2 2-1976.20 Change 1 Go to step 19 of this fault. j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (CONT) 13. 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 149, 150, or 151 OK. Air hose 102 OK. Air hose 108 OK. TRAILER AIR SUPPLY valve OK. Air hose 104 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. POSSIBLE PROBLEMS Faulty air brake protecting valve. Faulty air hose 120. Faulty inversion valve control port 90-degree fitting. Faulty air hose 128, 130, or 132. Replace air brake protecting valve (para 11-18).