TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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KNOWN INFO Hydraulic hoses free from leaks. Air/hydraulic manifold filters OK. POSSIBLE PROBLEMS Faulty hydraulic hose 515. Faulty air/hydraulic power unit. Faulty air hose 507. Faulty secondary air tank inversion valve. Faulty air hose 502. Faulty hydraulic hose 514. Faulty back-up hydraulic pump. Faulty hydraulic hose 521. Faulty hydraulic hose 520. Faulty air/hydraulic manifold. 2. Does back-up hydraulic pump operate? TEST OPTIONS Visual Inspection REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. NO Go to step 12 of this fault. YES KNOWN INFO 3. Hydraulic hoses free from leaks. Air/hydraulic manifold filters OK. Back-up hydraulic pump OK. Hydraulic hose 521 OK. Hydraulic hose 520 OK. POSSIBLE PROBLEMS Faulty hydraulic hose 515. Faulty air/hydraulic power unit. Faulty air hose 507. Faulty secondary air tank inversion valve. Faulty air hose 502. Faulty hydraulic hose 514. Faulty air/hydraulic manifold. Is 2,500-4,000 psi (17,238-27,580 kPa) present at air/hydraulic power unit return port? YES Go to step 11 of this fault. NO TEST OPTIONS Pressure Test or STE/ICE-R Test #51 REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. TM 9-2320-366-20-3 2-2222 Change 1 u1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO NOT OPERATE (CONT)