Genie GS-2046 Service Manual

Also see for GS-2046: Operator's manual Service and repair manual Operator's manual Operator's manual Maintenance manual

Contents

Genie GS-2046 Service Manual Manual pdf 98 page image

4 - 58 Genie GS-2046 and GS-2646 and GS-3246 Part No. 72972June 2003Section 4 • Repair ProceduresREV AHydraulic Pump5-1Function PumpThe hydraulic pump is attached to an electricmotor which makes up the Hydraulic Power Unit.How to Test the Hydraulic PumpWhen removing a hose assemblyor fitting, the O-ring on the fittingand/or hose end must be replacedand then torqued to specificationduring installation. Refer toSection Two,Hydraulic Hose andFitting Torque Specifications.1 Disconnect and plug the high pressurehydraulic hose from the hydraulic 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.2 Connect a 0 to 5000 psi / 0 to 350 bar pressuregauge to the high pressure port on the pump.3 Turn the key switch to ground control and pullout the Emergency Stop button to the ONposition at both the ground and platformcontrols.4 Activate the platform up function from theground controls.Result: If the pressure gauge reads3200 psi / 221 bar, immediately stop. The pumpis good.Result: If pressure fails to reach3200 psi / 221 bar, the pump is bad and willneed to be serviced or replaced.Component damage hazard.There is no relief valve in thehydraulic pump and the pump canbe damaged if the pressure isallowed to exceed 3200 psi / 221bar. When testing the pump,activate the pump in one secondintervals until 3200 psi / 221 bar isconfirmed. Do not over-pressurizethe pump.5 Remove the pressure gauge and reconnect thehydraulic hose.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.800-610-4101ActionRental.com