TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
Page 1310 of 1632
TM 9-2320-366-20-2 j4C. NO AIR PRESSURE PRESENT AT M1088 REAR AND/OR FIFTH WHEEL SERVICE GLADHAND(S) (CONT) 2-1976.58 Change 1 TEST OPTIONS Visual inspection REASON FOR QUESTION KNOWN INFO Is air present at booster valve supply port? 9. POSSIBLE PROBLEMS Faulty booster valve. Faulty service gladhand two-way check valve. Faulty air hose 145. NO Go to step 10 of this fault. YES Replace booster valve (para 11-15). If air is present, booster valve is faulty. Vehicle park and service brakes OK. Air hoses free from kinks. Air present at rear and fifth wheel emergency gladhands. Rear and fifth wheel service gladhands OK. Air hoses 257 and 263 OK. Service gladhand selector valve OK. Air hose 258 OK. Air hose 135 OK. Air brake protecting valve OK. Air hose 256 OK. TEST OPTIONS Visual inspection REASON FOR QUESTION KNOWN INFO Is air present at service gladhand two-way check valve delivery port? If air is not present, service gladhand two-way check valve is faulty. If air is present, air hose 145 is faulty. 10. Vehicle park and service brakes OK. Air hoses free from kinks. Air present at rear and fifth wheel emergency gladhands. Rear and fifth wheel service gladhands OK. Air hoses 257 and 263 OK. Service gladhand selector valve OK. Air hose 258 OK. Air hose 135 OK. Air brake protecting valve OK. Air hose 256 OK. Booster valve OK. POSSIBLE PROBLEMS Faulty service gladhand two-way check valve. Faulty air hose 145. NO Replace service gladhand two-way check valve (para 11-25). YES Replace air hose 145 (para 11-21).