TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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KNOWN INFO YES NO 14. Is 2,500-4,000 psi (17,238-27,580 kPa) present at back-up hydraulic pump output port? Replace back-up hydraulic pump (para 19-2). Hydraulic hoses free from leaks. Air/hydraulic manifold filters OK. Hydraulic hose 515 OK. Air/hydraulic power unit OK. Air hose 507 OK. Secondary air tank inversion valve OK. Air hose 502 OK. Air hose 514 OK. Hydraulic hose 520 OK. Air/hydraulic manifold OK. POSSIBLE PROBLEMS Faulty back-up hydraulic pump. Faulty hydraulic hose 521. Replace hydraulic hose 521 (para 19-11). TEST OPTIONS Pressure Test or STE/ICE-R Test #51 REASON FOR QUESTION If 2,500-4,000 psi (17,238- 27,580 kPa) is not present, back-up hydraulic pump is faulty. If 2,500-4,000 psi (17,238-27,580 kPa) is present, hydraulic hose 521 is faulty. TM 9-2320-365-20-2 2-1968.16 Change 1 t1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO NOT OPERATE (CONT)