Genie Z-30/20N Service Manual

Also see for Z-30/20N: Maintenance manual Maintenance manual Service manual Service and repair manual Service manual

Contents

Genie Z-30/20N Service Manual Manual pdf 47 page image

Part No. 139378 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N 3 - 29Section 3 • Scheduled Maintenance ProceduresJune 2011REV AE-1Test or Replace the Hydraulic OilNote: Genie specifications require that thisprocedure be performed every 2000 hours or everytwo years, whichever comes first. Perform thisprocedure more often if dusty conditions exist.Replacement or testing of the hydraulic oil isessential for good machine performance andservice life. Dirty oil and suction strainers maycause the machine to perform poorly andcontinued use may cause component damage.Extremely dirty conditions may require that the oilbe changed more often.Note: Before replacing the hydraulic oil, the oil maybe tested by an oil distributor for specific levels ofcontamination to verify that changing the oil isnecessary. If the hydraulic oil is not replaced atthe two year inspection, test the oil quarterly.Replace the oil when it fails the test.Note: 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.Note: Perform this procedure with the boom in thestowed position.1 Close the hydraulic shutoff valve located at thehydraulic tank.Component damage hazard. Themachine must not be operatedwith the hydraulic tank shutoffvalve in the closed position orcomponent damage will occur. Ifthe tank valve is closed, removethe key from the key switch andtag the machine to informpersonnel of the condition.2 Place a suitable container under the hydraulictank. Refer to Section 2,Specifications.3 Tag, disconnect and plug the hydraulic hosefrom the hydraulic tank shutoff valve.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.4 Open the valve on the hydraulic tank andcompletely drain the oil into a suitablecontainer.Bodily injury hazard. Beware ofhot oil. Contact with hot oil maycause severe burns.Checklist E Procedures