4 - 18 Genie Z-45/22 Part No. 32960Service Manual - Second EditionSection 4 - Scheduled Maintenance ProceduresTABLE B PROCEDURESB-14Test the Emergency Stop ButtonsProperly functioning Emergency Stop buttons areessential for safe machine operation. Animproperly operating Emergency Stop button willfail to shut off power and stop all machinefunctions resulting in a hazardous situation forground and platform personnel.As a safety feature, selecting andoperating the ground controls canoverride the platform controls,including the Emergency Stopbutton.1 Start the engine from the ground controls.2 Push down the Emergency Stop button to theoff position.Result: The engine should be off and nomachine functions should operate.Diesel models: All functionsshould stop immediately. Theengine will shut off after 2 or 3seconds.3 Start the engine from the platform controls.4 Push down the Emergency Stop button to theoff position.Result: The engine should be off and nomachine functions should operate.The ground Emergency Stopbutton will stop all machineoperation, even if the key switch isswitched to platform control.B-15Test the Ground Control OverrideA properly functioning ground control override isessential to safe machine operation. The groundcontrol override function is intended to allowground personnel to operate the machine from theground controls whether or not the EmergencyStop button on the platform controls is in theon oroff position. This function is particularly useful ifthe operator at the platform controls can not returnthe boom to the stowed position.1 Push in the platform Emergency Stop button totheoff position.2 Start the engine from the ground controls.3 Operate each boom function through a partialcycle.Result: All boom functions should operate.B-16Test the Oscillate Lock-outPerform this test on oscillatingaxle equipped machines only.Proper axle oscillate lock-out when the boom israised is essential to safe machine operation. Ifthe lock-out wedges do not extend when the boomis raised, the stability of the machine iscompromised and it may tip over.800-610-4101ActionRental.com