Part No. 75861 Genie Z-60/34 3 - 33November 2003 Section 3 • Scheduled Maintenance ProceduresREV AB-21Replace the Hydraulic FiltersGenie requires that this procedurebe performed quarterly or every250 hours, whichever comes first.Perform this procedure more oftenif dusty conditions exist.Replacement of the hydraulic filters is essential forgood machine performance and service life. A dirtyor clogged filter may cause the machine to performpoorly and continued use may cause componentdamage. Extremely dirty conditions may requirethat the filters be replaced more often.Bodily injury hazard. Beware of hotoil. Contact with hot oil may causesevere burns.Perform this procedure with theengine off.Hydraulic return filter1 Open the ground controls side turntable coverand locate the hydraulic return filter mounted onthe hydraulic tank.2 Place a suitable container under the hydraulictank return filter.3 Remove the filter with an oil filter wrench.4 Apply a thin layer of fresh oil to the gasket ofthe new oil filter.5 Install the new filter and tighten it securely byhand. Clean up any oil that may have spilledduring the installation procedure.6 Use a permanent ink marker to write the dateand number of hours from the hour meter on theoil filter.Medium and high pressure filters (if equipped)The medium pressure filter is forthe charge pump and the highpressure filter (if equipped) is for allmachine functions except the drivecircuit and oscillating axle circuit.7 Open the engine side turntable cover and locatethe medium and high pressure filters.The medium pressure filter ismounted on the right of the drivepump. The high pressure filter (ifequipped), with filter conditionindicator, is mounted above thedrive pump.8 Place a suitable container under each filter.9 Remove the filter housings by using a wrench onthe nut provided on the bottom of the housings.10 Remove the filter elements from the housings.CHECKLIST B PROCEDURES