May 2015 Service ManualChecklist B ProceduresPart No. 1257106 GS-2669 BE • GS-3369 BE • GS-4069 BE 33B-11Check the Electrical ContactorGenie requires that this procedure be performedevery 250 hours or quarterly, whichever comesfirst.Maintaining the electrical contactor in goodcondition is essential to safe machine performance.Failure to locate a worn or damaged contactorcould result in unsafe operating conditions and maycause component damage.1 Open the hydraulic compartment.2 Open the contactor box below the groundcontrol box.3 Visually inspect the contact points of thecontactor for the following items:• Excessive burns• Excessive arcs• Excessive pittingElectrocution/burn hazard.Contact with electricallycharged circuits could result indeath or serious injury. Removeall rings, watches and otherjewelry.Note: Replace the contactor if any damage isfound.B-12Perform Hydraulic Oil AnalysisGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Replacement or testing of the hydraulic oil isessential for good machine performance andservice life. Dirty oil and a clogged suction strainermay cause the machine to perform poorly andcontinued use may cause component damage.Extremely dirty conditions may require oil changesto be performed more often. For hydraulic oilspecifications, Refer to Specifications, HydraulicSpecifications.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 at thetwo year inspection, test the oil quarterly. Replacethe oil when it fails the test. Refer to MaintenanceProcedure, Test or Replace the Hydraulic Oil.
