TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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m3. FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT) KNOWN INFO TEST OPTIONS Is air present from port C on CTIS manifold valve? 2. YES NO KNOWN INFO TEST OPTIONS YES NO Is CTIS air hoses and fittings free from air leaks during inflation mode? 3. Replace or repair air hose or fittings (para 2-42). Go to Electrical System Troubleshooting (e82. Central Tire Inflation System (CTIS) Does Not Operate). TM 9-2320-365-20-2 2-1824 Change 2 REASON FOR QUESTION If air is leaking during inflation mode, CTIS pneumatic system is faulty. Visual Inspection Visual Inspection REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. Front and rear air gages read 120 PSI. CTIS manifold valve vent hose and bulkhead fitting OK. POSSIBLE PROBLEMS Faulty air hose or fittings. Faulty front axle CTIS quick release valve. Faulty rear axle CTIS quick release valve. Faulty wheel valve. Faulty front wheel kneeling valve. Faulty wheel seals. Faulty electrical system. Front and rear air gages read 120 PSI. CTIS manifold valve vent hose and bulkhead fitting OK. POSSIBLE PROBLEMS Faulty air hose or fittings. Faulty front axle CTIS quick release valve. Faulty rear axle CTIS quick release valve. Faulty wheel valve. Faulty front wheel kneeling valve. Faulty wheel seals. Faulty electrical system.