Part No. 237062 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy 4 - 33September 2015 Section 4 • Repair ProceduresHydraulic Pumps8-1Auxiliary PumpHow to Remove the AuxiliaryPumpNote: 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 andFitting Torque Specifications.1 Models with hydraulic tank shutoff 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 shutoff valves in theclosed 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 shutoff valves:Remove the drain plug from the hydraulic tankand completely drain the tank into a containerof suitable capacity. Refer to Section 2,Specifications.Bodily injury hazard. Beware ofhot oil. Contact with hot oil maycause severe burns.2 Remove the engine pivot plate latch retainer.3 Open the engine pivot plate latch and swing theengine pivot plate out away from the machine.4 Tag, disconnect and plug the hydraulic hosesfrom the auxiliary pump.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil to squirtor spray.5 Remove the auxiliary pump mounting bolts.Carefully remove the pump.open closed