REV CSection 4 • Repair Procedures4 - 36 GS-3384 Part No. 82259September 2005Ground Controls5-1Auxiliary Platform LoweringIn the event of an engine failure, activating theback-up manual lowering and manual loweringenable switches will lower the platform when thered Emergency Stop buttons are pulled out to theon position at both the ground and platformcontrols. The auxiliary down switches/buttons arelocated at the ground control panel. There is noadjustment required.One 12V DC battery is used to start the engine,power the auxiliary pump and the ECM. Thebattery is located behind the ground control doorassembly.5-2Controller Adjustments(after serial number GS8403-40212)All 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 speed· Platform lower speed· Steer speed· Platform settling 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.Select a test area that is firm, leveland free of obstructions.How toDetermine the Revision Level1 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.
