Section 4 • Repair ProceduresPart No. 826364 S-40 • S-45 • S-40 TRAX • S-45 TRAX 4 - 29February 2014Hydraulic Pumps6-1Function PumpHow to Remove theFunction PumpNote: When removing a hose assembly or fitting,the O-ring on the fitting and/or hose end must bereplaced and then torqued to specification duringinstallation.Refer to Section 2,Hydraulic Hose and FittingTorque Specifications.1 Models with hydraulic tank shut-off valves:Locate the two hydraulic tank valves at thehydraulic tank through the access holeunderneath the turntable. Close the valves.Component damage hazard. Theengine must not be started with thehydraulic tank shut-off valves inthe closed position or componentdamage will occur. If the tankvalves are closed, remove the keyfrom the key switch and tag themachine to inform personnel of thecondition.Models without hydraulic tank shut-offvalves: Remove the drain plug from thehydraulic tank and completely drain the tankinto a suitable container. See capacityspecifications.2 Tag, disconnect and plug the function pumphydraulic hoses. Cap the fittings on the pump.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil tosquirt or spray.3 Remove the pump mounting bolts. Carefullyremove the pump.Models with hydraulic tank shut-off valves:Component damage hazard. Besure to open the two hydraulic tankvalves and prime the pump afterinstalling the pump.Models without hydraulic tank shut-off valves:Component damage hazard. Besure to fill the hydraulic tank tospecification and prime the pumpafter installing the pump.open closed
