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 j4D. M1088 TRAILER HANDBRAKE DOES NOT OPERATE (CONT) TEST OPTIONS Visual inspection REASON FOR QUESTION KNOWN INFO Is air present at cab floor fitting? If air is present, air hose 162 is faulty. 2. Air present at rear and fifth wheel gladhands when service brakes applied. Air hoses free from kinks. Air brake protecting valve OK. POSSIBLE PROBLEMS NO Go to step 3 of this fault. YES TEST OPTIONS Visual inspection REASON FOR QUESTION KNOWN INFO Is air present at trailer service brake valve delivery port? 3. POSSIBLE PROBLEMS Air present at rear and fifth wheel gladhands when service brakes applied. Air hoses free from kinks. Air brake protecting valve OK. Air hose 162 OK. NO Go to step 4 of this fault. YES Replace air hose 129 (para 11-21). Replace air hose 162 (para 11-21). 2-1976.62 Change 1 Faulty air hose 162. Faulty air hose 129. Faulty trailer service brake valve. Faulty park control two-way check valve. Faulty air hose 161. Faulty air hose 129. Faulty trailer service brake valve. Faulty park control two-way check valve. Faulty air hose 161. If air is present, air hose 129 is faulty.