TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TM 9-2320-366-20-2 j4B. NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL EMERGENCY GLADHAND(S) (CONT) 2-1976.46 Change 1 KNOWN INFO Vehicle park and service brakes OK. Air hoses free from kinks. Air present at rear and fifth wheel service gladhands. Rear and fifth wheel emergency gladhands OK. Air hoses 163 and 170 OK. POSSIBLE PROBLEMS Faulty emergency gladhand selector valve. Faulty air hose 165. Faulty air brake protecting valve. TEST OPTIONS Visual inspection REASON FOR QUESTION If air is present, emergency gladhand selector valve is faulty. NO Go to step 5 of this fault. YES Is air present at emergency gladhand selector valve supply port? 4. Replace emergency gladhand selector valve (para 11-33). NO Replace air hose 165 (para 11-21). YES Replace air brake protecting valve (para 11-18). KNOWN INFO Vehicle park and service brakes OK. Air hoses free from kinks. Air present at rear and fifth wheel service gladhands. Rear and fifth wheel emergency gladhands OK. Air hoses 163 and 170 OK. Emergency gladhand selector valve OK. POSSIBLE PROBLEMS Faulty air hose 165. Faulty air brake protecting valve. 5. Is air present at air brake protecting valve delivery port TRLR E? TEST OPTIONS Visual inspection REASON FOR QUESTION If air is not present, air brake protecting valve is faulty. If air is present, air hose 165 is faulty.