Genie GRC-12 Service Manual

Also see for Lift Guard GRC-12: Operator's manual supplement Operator's manual

Contents

Genie GRC-12 Service Manual Manual pdf 44 page image

Section 3 • Scheduled Maintenance ProceduresREV ASeptember 20163 - 26 GRC Part No. 227123Checklist E ProcedureE-1Test or Replace the Hydraulic OilGenie specifications require that this procedure beperformed every 2000 hours or every two years,whichever comes first.Replacement or testing of the hydraulic oil isessential for good machine performance andservice life. Dirty oil may cause the machine toperform poorly and continued use may causecomponent damage. Extremely dirty conditionsmay require oil changes to be performed moreoften.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: Perform this procedure with the platform inthe stowed position.1 Disconnect the battery pack from the machine.Electrocution/burn hazard. Contactwith hot or live circuits couldresult in death or serious injury.Remove all rings, watches andother jewelry.2 Open the power unit module tray.3 Tag and disconnect the hydraulic tank returnhard line from the hydraulic filter head andremove the hard line from the tank. Cap thefitting on the filter head.4 Tag and disconnect the hydraulic pump inlethard line and remove the hard line from thetank. Cap the fitting on the pump.5 Remove the hydraulic tank retaining fastenersand remove the hydraulic tank from themachine.6 Drain all of the oil into a suitable container.Refer to Section 2,Specifications, for capacityinformation.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.7 Clean up any oil that may have spilled. Properlydiscard the used oil.8 Clean the inside of the hydraulic tank using amild solvent. Allow the tank to dry completely.9 Install the hydraulic tank and install and tightenthe hydraulic tank retaining fasteners. Torque tospecification.Torque specificationsHydraulic tank retaining fasteners, dry 35 in-lbs4 NmHydraulic tank retaining fasteners, lubricated 26 in-lbs2.9 Nm