Section 4 • Repair ProceduresREV BJune 20074 - 32 GS-2668 RT • GS-3268 RT Part No. 1126577-2Function Speed TuningAll machine function speeds are determined by thepercentage of total ECM voltage output. Thespeeds of the following machine functions may beadjusted to compensate for wear in the hydraulicpump and drive motors.· Stowed drive speed· High torque drive speed· Raised drive speed· Platform lift speedFor further information or assistance, consult theGenie Industries Service Department.Tip-over hazard. Do not adjust thelift and/or drive speed higher thanspecified in this procedure. Settingdrive speed greater thanspecifications could cause themachine to tip over resulting indeath or serious injury.Tip-over hazard. This proceduremust only be performed by atrained service professional.Attempting this procedure withoutthe necessary skills will result indeath or serious injury.How to Determine the RevisionLevel1 Turn the key switch to ground controls and pullout the red Emergency Stop buttons to the onposition at both platform and ground controls.Result: The revision level of the ECM willappear in the LED display window.Ground Controls7-1Auxiliary Platform LoweringAuxiliary Platform LoweringIn the event of a main power failure, activating thefunction enable and manual platform loweringbuttons at the ground controls will lower theplatform. There is no adjustment required.The auxiliary platform lowering circuit uses themain 12V battery for its power source.
