Service Manual May 2015Scissor Components62 GS-2669 BE • GS-3369 BE • GS-4069 BE Part No. 12571063-3Scissor Assembly, GS-4069 BEHow to Disassemble the ScissorAssemblyBodily injury hazard. Thisprocedure requires specific repairskills, lifting equipment and asuitable workshop. Attemptingthis procedure without these skillsand tools could result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.Note: When removing a hose assembly or fitting,the O-ring (if equipped) on the fitting and/or hoseend must be replaced. All connections must betorqued to specification during installation. Refer toSpecifications, Hydraulic Hose and Fitting TorqueSpecifications.Note: This procedure will require an overheadlifting device capable of supporting 1000 lbs /454 kg.1 Remove the platform. Refer to RepairProcedure, How to Remove the Platform.2 Remove the retaining fasteners that attach theladder to the drive chassis. Remove the ladderand set aside.3 Remove the cables from the linkageassembly.Component damage hazard.Cables and hoses can bedamaged if they are kinked orpinched.4 Using an overhead lifting device attach a4 hook sling chain to the ends of the number4 inner arm. Make the chains tight but do notapply lifting pressure.Crushing hazard. The linkageassembly could becomeunbalanced and fall if notproperly supported whenremoved from the machine.5 Remove the retaining fasteners from thenumber 5 pivot pins.Note: Do not remove the external snap ring.6 Using a soft metal drift, remove the pivot pinsand set aside.7 Carefully lift the linkage assembly off of themachine and place it on a structure capable ofsupporting it.8 Using a suitable supporting device, attach astrap to the rod end of the upper lift cylinder.Do not apply pressure.9 Remove the upper cylinder rod end pivot pinretaining fasteners.10 Using a soft metal drift, remove the pivot pin.11 Lower the lift cylinder and remove the strap.12 Using an overhead lifting device attach a4 hook sling chain to the ends of the number4 inner arm. Make the chains tight but do notapply lifting pressure.Crushing hazard. The linkageassembly could becomeunbalanced and fall if notproperly supported whenremoved from the machine.
