December 2023 Service and Repair ManualScissor ComponentsPart No. 1325652GT GS™-3390 • GS™-4390 • GS™-5390 2725 Lower the number 1 outer arm (index #16)onto the block.Crushing hazard. Keep handsclear of moving parts whenlowering the arms onto the block.26 Attach a lifting strap from an overhead craneto the lifting eyes on the lift cylinder.27 Remove the lift cylinder barrel-end pivot pinretaining fasteners.28 Use a soft metal drift to remove the liftcylinder barrel-end pivot pin (index #9).29 Carefully remove the lift cylinder from themachine.Crushing hazard. The lift cylindercould become unbalanced andfall when it is removed from themachine if not properlysupported by the overheadcrane.30 Carefully lift the number 1 outer arm (index#16) approximately 2 inches / 5 cm andremove the block.31 Lower the number 1 outer arm (index #16)onto the slide blocks.Crushing hazard. Keep handsclear of moving parts whenlowering the arms onto the block.32 Secure the number 1 outer arm (index #16) tothe slide blocks.33 Remove the strap installed in step 19.34 Support the cable tray with an overheadcrane.35 Remove the pin retaining fasteners from thecable tray pivot pin at the cross tube of thenumber 2 inner arm (index #6).36 Place a rod through the cable tray pivot pinand twist to remove the pin. Lower the cabletray onto the number 1 inner arm (index #8).Crushing hazard. The cable traymay fall if not properly supportedby the overhead crane.Component damage hazard.Cables can be damaged if theyare kinked or pinched.37 Secure both ends of the number 2 inner andouter arms (index #5 and #6) together with astrap or other suitable device.38 Attach a lifting strap from an overhead craneto the number 2 inner and outer arms (index#5 and #6) at the steer end of the machine.Do not apply any lifting pressure.39 Attach a lifting strap from an overhead craneto the number 2 inner and outer arms (index#5 and #6) at the non-steer end of themachine. Do not apply any lifting pressure.40 Remove the pin retaining fasteners from bothnumber 1 pivot pins (index #10) at the non-steer end of the machine. Do not remove thepins.41 Remove the pin retaining fasteners from bothnumber 1 pivot pins (index #19) at the steerend of the machine. Do not remove the pins.42 Use a slide hammer to remove both number1 pivot pins (index #10) from the non-steerend of the machine.43 Use a slide hammer to remove both number2 pivot pins (index #15) from the steer end ofthe machine.