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 Is air present at air brake protecting valve delivery port TRLR S? YES NO Go to step 12 of this fault. TM 9-2320-366-20-2 2-1976.16 Change 1 j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (CONT) 11. 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. POSSIBLE PROBLEMS Faulty air hose 241, 253, or 254. Faulty air brake protecting valve. Faulty air hose 230 or 256. Faulty load sensing valve control port tee fitting. Faulty air hose 240 or 243. Faulty booster valve. Faulty service gladhand two-way check valve. Faulty air hose 145. Faulty air hose 120. Faulty inversion valve control port 90-degree fitting. Faulty air hose 128, 130, or 132. If air is present, air hose (refer to Table 2-49.6. Service Gladhand Hose Numbers) is faulty. Replace air hose (refer to Table 2-49.6. Service Gladhand Hose Numbers) (para 11-21).