Service and Repair Manual December 2023Scissor Components26 GS™-3390 • GS™-4390 • GS™-5390 Part No. 1325652GT10 Place a rod through the cable tray pivot pinand twist to remove the pin. Lower the cabletray down.Component damage hazard.Cables can be damaged if theyare kinked or pinched.11 Secure both ends of the number 3 inner andouter arms (index #2 and #11) together with astrap or other suitable device.12 Attach a lifting strap from an overhead craneto the number 3 inner and outer arms (index#2 and #11) at the steer end of the machine.Do not apply any lifting pressure.13 Attach a lifting strap from an overhead craneto the number 3 inner and outer arms (index#2 and #11) at the non-steer end of themachine. Do not apply any lifting pressure.14 Remove the pin retaining fasteners from bothnumber 3 pivot pins (index #4) at the non-steer end of the machine. Do not remove thepins.15 Remove the pin retaining fasteners from bothnumber 3 pivot pins (index #13) at the steerend of the machine. Do not remove the pins.16 Use a slide hammer to remove both number3 pivot pins (index #4) from the non-steer endof the machine.17 Use a slide hammer to remove both number3 pivot pins (index #13) from the steer end ofthe machine.18 Carefully remove the number 3 inner andouter arms (index #2 and #11) from themachine.Crushing hazard. The number3 inner and outer arms couldbecome unbalanced and fallwhen they are removed from themachine if not properlysupported by the overheadcrane.Note: If further disassembly of the scissor arm pairis required, refer to Repair Procedure, How toDisassemble a Scissor Arm Pair.19 Secure the non-steer end of the number2 inner and outer arms (index #5 and #6) andthe non-steer end of the number 1 inner andouter arms (index #8 and #16) together with astrap or other suitable device.20 Attach a lifting strap from an overhead craneto the number 1 outer arm (index #16) at thenon-steer end of the machine. Do not applyany lifting pressure.21 Remove the pin retaining fasteners from thenumber 1 pivot pins (index #10) at the non-steer end of the machine.22 Use a slide hammer to remove both number1 pivot pins (index #10) from the non-steerend of the machine.23 Carefully lift the number 1 outer arm at thenon-steer end approximately 15 inches /40 cm.24 Place a 6 x 6 x 32 inch / 15 x 15 x 80 cm longblock across both sides of the chassis underthe barrel end of the lift cylinder.