Part No. 34032 Genie S-80 & Genie S-85 4 - 31Service Manual - First Edition Section 4 - Scheduled Maintenance ProceduresC-8Replace the Drive LoopHydraulic FilterReplacing the drive loop hydraulic filter is essentialto good machine performance and service life. Adirty or clogged filter may cause the machine toperform poorly and continued use may causecomponent damage. Extremely dirty conditionsmay require that the filter be replaced more often.Beware of hot oil. Contact withhot oil may cause severe burns.Perform this procedure with theengine off.1 Open the engine side turntable cover andlocate the drive loop hydraulic filter mounted onthe engine near the main pump.2 Rotate the filter housing counterclockwise andremove the housing.3 Remove the filter element from the housing.4 Inspect the housing seal and replace it ifnecessary.5 Install the new filter (part no. 20880) and handtighten the housing onto the filter head. Cleanup any oil that may have spilled during theinstallation procedure.6 Start the engine from the ground controls.7 Inspect the filter assembly to be sure that thereare no leaks.TABLE C PROCEDURESC-7Replace the Hydraulic Tank FilterReplacement of the hydraulic tank filter isessential for good machine performance andservice life. A dirty or clogged filter may cause themachine to perform poorly and continued use maycause component damage. Extremely dirtyconditions may require that the filter be replacedmore often.Beware of hot oil. Contact withhot oil may cause severe burns.Perform this procedure with theengine off.1 Remove the filter with an oil filter wrench.2 Apply a thin layer of oil to the new oil filtergasket.3 Install the new filter (part no. 20293) andtighten it securely by hand. Clean up any oilthat may have spilled during the installationprocedure.4 Start the engine from the ground controls.5 Inspect the filter and related components tobe sure that there are no leaks.5 Install the torque hub. Torque the hub mountingbolts to 180 foot-pounds (244 Newton meters).6 Install the brake and motor onto the torque hub.7 Fill the hub with oil from the side hole until theoil level is even with the bottom of the hole.Apply pipe thread sealant to the plugs, andthen install the plugs.Capacity 44 fluid ounces1.30 litersType: SAE 90 multipurpose hypoid gear oil - APIservice classification GL5
