Terex Genie TZ-50 Service Manual

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

4 - 4 Genie TZ-50 Part No. 824982January 2016Section 4 • Repair ProceduresJib Boom Components2-1Jib BoomThe jib boom lift cylinder raises and lowers the jibboom. The jib boom lift cylinder is equipped with acounterbalance valve to prevent movement in theevent of a hydraulic line failure.How to Remove the Jib BoomNote: When removing a hose assembly or fi tting,the O-ring (if equipped) on the fitting and/or thehose end must be replaced. All connections mustbe torqued to specifi cation during installation.Refer to Section 2, Hydraulic Hose and FittingTorque Specifi cations.1 Remove the platform. See 1-1, How to Removethe Platform.2 Raise the jib boom 4 to 5 feet / 1.2 to 1.5 m.3 Lower the jib boom until the platform mountrests on sawhorses or a work table of suffi cientcapacity.4 Tag and disconnect the wire harness from theplatform control box.5 Tag and disconnect the wires from the jibmanifold.6 Remove the wire harness from the platformmount and the jib boom.7 Pull the all harness cables through the jib boomand lay them off to the side of the primaryboom.Component damage hazard.Cables and hoses can bedamaged if they are kinked orpinched.a platform mountb jib boom cylinder barrel-end pivot pinc jib link pivot pind jib linke jib boom lift cylinderf jib boomg jib boom cylinder rod-end pivot pinh jib boom pivot pini jib mount pivot pinj platform level slave cylinder rod endpivot pin8 Tag, disconnect and plug the hydraulic hosesto the platform rotator. Cap the fi ttings on therotator.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil to squirtor spray.9 Tag, disconnect and plug the hydraulic hoses tothe jib cylinder. Cap the fi ttings 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 to squirtor spray.ba fd e g h i jc