Terex Genie TZ-50 Service Manual

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

Part No. 824982 Genie TZ-50 4 - 19January 2016 Section 4 • Repair Procedures5 Remove the pin retaining fasteners securingthe primary lift cylinder barrel end pivot pin.6 Using a soft metal drift, remove the primarylift cylinder barrel end pivot pin. Remove thecylinder from the machine.Crushing hazard. The cylindercould fall if not properly supportedwhen the pivot pin is removed.7 Attach a lifting strap of suitable capacity froman overhead crane to the mid-pivot. Supportthe mid pivot. Do not apply any lifting pressure.8 Remove the pin retaining fasteners securingthe secondary boom pivot pin at the mid-pivot.9 Remove the pin retaining fasteners securingthe secondary link pivot pin at the mid-pivot.10 Tag, disconnect and plug the hydraulic hoses tothe hydraulic hard lines at the mid-pivot end ofthe secondary boom. Cap the fittings.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.Component damage hazard.Cables and hoses can bedamaged if they are kinked orpinched.11 Using a soft metal drift, remove the secondaryboom pivot pin at the mid-pivot.Crushing hazard. The mid-pivotcould become unbalanced and fallif not properly supported when thepin is removed.4-1Secondary BoomHow toRemove the Secondary BoomThis procedure requires specifi crepair skills, lifting equipment anda suitable workshop. Attemptingthis procedure without these skillsand tools could result in deathor serious injury and significantcomponent damage. Dealerservice is required.Follow the disassembly steps to the point requiredto complete the repair. Then re-assemble thesecondary boom by following the disassemblysteps in reverse order.Note: 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 Remove the jib boom. See 2-1, How toRemove the Jib Boom.3 Remove the primary boom. See 3-2, How toRemove the Primary Boom.Remove the mid-pivot4 Attach a lifting strap of suitable capacity froman overhead crane to the rod end of theprimary lift cylinder. Raise the cylinder to ahorizontal position.SECONDARY BOOM COMPONENTS