Section 3 • Scheduled Maintenance Procedures January 20133 - 30 GS-84 • GS-90 Part No. 84793CHECKLIST C PROCEDURES14 Securely connect the black wire of themaximum height limit switch wire harness toterminal A10 of the terminal strip.15 Securely connect the white wire of the maximumheight limit switch wire harness to terminal B9of the terminal strip.16 Turn the key switch to platform control.17 Fully raise the platform. Release the joystick.Result: The platform should stop raising atmaximum height. The engine should continue torun and an alarm should not sound.Result: The engine stops OR an alarm sounds.Refer to Repair Procedure 12-1, Calibrate thePlatform Overload System (if equipped).18 Lower the platform to the stowed position.19 Disconnect the platform controls from the ECMwire harness.20 Securely connect the platform controls wireharness to the ECM wire harness.21 Securely connect the platform controls to theplatform controls wire harness at the platform.C-2Down Limit Switch DescentDelay (if equipped)Genie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Proper limit switch operation is essential to safemachine operation.Check the Down Limit Switch Function1 Turn the key switch to platform controls. Startthe engine.2 Raise the platform approximately 15 ft / 4.6 m.3 Lower the platform until the down limit switchactivates and the platform stops lowering.Quickly release the controls and thenimmediately attempt to lower the platform tothe stowed position.Result: The platform stops for 4 to 6 seconds.Release the joystick and proceed to step 4.Result: The platform does not stop. Confirm thatthe descent delay option has been selected toON . See Repair Procedure 5-3, SoftwareConfiguration. Repeat this procedure.4 Lower the platform to the stowed position.5 Push in the red Emergency Stop button to theoff position.
