SECTlON V: TROUBLESHOOTlNGTM 9-2350-256-20restricted or damaged hose (see paragraph 12-1). Ifno hose restriction or damage exists and brake stillfails to hold load or creep, notify Direct SupportMaintenance. If level winder fails to traverse, go tostep M.Do not attempt to loosen or tightenhydraulic fittings or lines when system ispressurized. Severe injury or death topersonnel may result.M Inspect for any damaged or restricted hoses.Replace hoses as necessary (see paragraph 12-1). Ifno damaged or restricted hoses exist, go to step N.N Adjust main winch level winder cylinders (seeparagraph 11-1). If level winder fails to traverseafter cylinder adjustment, notify Direct SupportMaintenance.HOIST WINCHSYMPTOMSHoist winch fails to operate.Do steps A through G.Hoist winch operates withdifficulty.Do steps B through G.Hoist winch creeps or fails tohold load.Do steps H through J.NOTEThe hoist winch troubleshooting proceduresare performed using the main hydraulicsystem as a fluid power source.If hoistwinch operates using the main hydraulic butnot the auxiliary hydraulic, troubleshootauxiliary hydraulic system. If hoist winchoperates using the auxiliary hydraulic butnot the main hydraulic, troubleshoot mainhydraulic system.A Attempt operation of the hoisting boom, mainwinch, and spade.If the hoisting boom, mainwinch, and spade do not operate, troubleshoot mainhydraulic system and/or auxiliary hydraulic system.If the hoisting boom, main winch, and spade operatego to step B.B Visually inspect for signs of main winch mechanicalfailure. If signs of mechanical failure exist, notifyDirect Support Maintenance.If no signs ofmechanical failure exist, go to step C.2-43
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