Part No. 102521 Genie S-40 and Genie S-45 4 - 21January 2005 Section 4 • Repair ProceduresREV A Hydraulic Pumps6-1Function PumpHow to Remove theFunction PumpWhen removing a hose assemblyor fitting, the O-ring on the fittingand/or hose end must be replacedand then torqued to specificationduring installation.Refer to Section 2,Hydraulic Hoseand Fitting Torque 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 withthe hydraulic tank shut-off valvesin the closed position orcomponent damage will occur. Ifthe tank valves are closed,remove the key from the keyswitch and tag the machine toinform personnel of the condition.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 hydraulictank valves and prime the pumpafter installing 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