Section 3 • Scheduled Maintenance ProceduresSeptember 2014Part No. 123701 GTH-1048 • GTH-1056 3 - 31Checklist E ProceduresE-1Test or Replace the Hydraulic OilGenie specifications require that this procedure beperformed every 2000 hours or two years,whichever comes firstReplacement 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 morefrequently. Refer to Section 2,Specifications.Component damage hazard. Thework area and surfaces where thisprocedure will be performed mustbe clean and free of debris thatcould get into the hydraulicsystem.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.1 Lower the boom to the stowed position.2 Remove the filler cap from the hydraulic tank.3 Place a drain pan or other suitable containerunder the hydraulic tank. Refer to Section 2,Specifications.4 Remove the drain plug from the hydraulic tankand completely drain the tank.Bodily injury hazard. Beware ofhot oil. Contact with hot oil maycause severe burns.5 Rinse out the inside of the tank using a mildsolvent.6 Install the drain plug and securely tighten. Donot over tighten.7 Fill the tank with hydraulic oil until the fluid levelis in the center of the sight glass at the rear ofthe tank.8 Clean up any oil that may have spilled.
