Genie GTH-5519 Service And Repair Manual

Also see for GTH-5519: Maintenance manual Original instructions

Genie GTH-5519 Service And Repair Manual Manual pdf 29 page image

September 2016Part No. 1272852 GTH-5519 3-7Section 3 • Repair ProceduresBOOM COMPONENTS1-3Boom Extend CylinderHow to Remove the ExtendCylinderNote: When removing a hose assembly or fitting,the O-ring on the fitting and/or hose end must bereplaced and then torqued to specification duringinstallation. Refer to Section 2, Hydraulic Hoseand Fitting Torque Specifications.1 Raise the boom to a horizontal position.22 Extend the boom until you can access the pinExtend the boom until you can access the pin""aa" locking the cylinder - rod side." locking the cylinder - rod side.3 Tag, disconnect and plug the pipes from thecylinder shutoff valve. Cap the cylinder fittings.WARNING 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.4 Remove the retaining fasteners securing theextend cylinder barrel-end pivot pin.5 Using a soft metal drift and a hammer, removethe pivot pin "a".6 Using a soft metal drift and a hammer, removethe pivot pin "b" using the holes on the chassisusing the holes on the chassisat the rear of the machine.at the rear of the machine.7 Partially pull the cylinder out. Using a liftingstrap and an overhead crane, remove thecylinder.DANGER Crushing hazard. The cylindercould fall if not properlysupported when removed fromthe machine.ab