Genie TZ-50 Service Manual

Also see for TZ-50: Operator's manual Servise manual Operator's manual Operator's manual

Contents

Genie TZ-50 Service Manual Manual pdf 71 page image

Part No. 824982 Genie TZ-50 4 - 15September 2014 Section 4 • Repair Procedures3-4Platform Leveling CylindersHow toRemove the Master CylinderThe master cylinder, located inside the mid pivot,acts as a pump for the slave cylinder, which islocated at the platform end of the extension boom.The master cylinder operates in a closed-circuithydraulic loop with the slave cylinder, keeping theplatform level through the entire range of boommotion.Note: When removing a hose assembly or fitting,the O-ring (if equipped) on the fitting and/or thehose end must be replaced. All connections mustbe torqued to specification during installation. Referto Section 2,Hydraulic Hose and Fitting TorqueSpecifications.1 Tag, disconnect and plug the master cylinderhydraulic hoses. Cap the fittings on the cylinder.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil tosquirt or spray.a platform level master cylinderb platform level slave cylinder2 Remove the pin retaining fastener from themaster cylinder barrel end pivot pin.3 Using a soft metal drift, remove the mastercylinder barrel end pivot pin.4 Attach a lifting strap from an overhead crane tothe lug on the rod end of the master cylinder.5 Remove the pin retaining fastener from the rodend pivot pin.6 Using a soft metal drift, remove the mastercylinder rod end pivot pin. Remove the mastercylinder from the machine.Crushing hazard. The mastercylinder could become unbalancedand fall if not properly supportedwhen removed from the machinea bPRIMARY BOOM COMPONENTS