TM 9-2350-256-20CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTlONS2-17 HYDRAULIC TROUBLESHOOTING-ContinuedHOIST WINCH-ContinuedDo not attemptto loosen or tightenhydraulic fittings or lines when system ispressurized. Severe injury or death topersonnel may result.C Inspect for any damaged or restricted hoses.Replace hoses as necessary (see paragraph 12-1). Ifno damaged or restricted hoses exist, go to step D.D Test for hydraulic motor failure. Remove hose No.48 from rear of hydraulic motor (see paragraph12-1). A large volume of oil discharged from portwhen hoist winch control valve is engaged indicatesa faulty motor. If a faulty hydraulic motor exists,notify Direct Support maintenance.If hydraulicmotor is not faulty, go to step E.E Inspect manual control and linkage (see paragraph11-8) for disconnected, damaged, or missing parts.Connect linkage and replace or repair missing ordamaged parts (see paragraph 11-8). If no controland linkage defects exist, go to step F.F Ensure hoist winch cable is not damaged and isproperly attached to drum. Replace hoist winchcable if required (see paragraph 11-6). If hoist winchcable is not damaged and is properly. attached todrum, go to step G.Do not attempt to loosen or tightenhydraulic fittings or lines when system ispressurized. Severe injury or death topersonnel may result.G Inspect hydraulic lines and connections for leaks.Replace leaking hydraulic lines and tighten leakingconnections (see paragraph 12-1). If leaks persist,notify Direct Support Maintenance. If no leaks existgo to step H.NOTEEnsure hydraulic system is at operatingtemperature.2-44Change 1
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