Service Manual April 2016Checklist D Procedures48 Z-34/22 Bi-Energy Part No. 139234D-4Check the Free-wheelConfigurationGenie specifications require that this procedure beperformed every 1000 hours or annually,whichever comes first.Proper use of the free-wheel configuration isessential to safe machine operation. Thefree-wheel configuration is used primarily fortowing. A machine configured to free-wheel withoutoperator knowledge may cause death or seriousinjury and property damage.Collision hazard. Select a worksite that is firm and level.Component damage hazard. Ifthe machine must be towed, donot exceed 2 mph / 3.2 km/h.1 Chock the steer wheels to prevent themachine from rolling.2 Center a lifting jack of ample capacity(20,000 lbs / 10,000 kg) under the drivechassis between the non-steer tires.3 Lift the wheels off the ground and then placejack stands under the drive chassis forsupport.4 Disengage the drive hubs by turning over thedrive hub disconnect caps on each non-steerwheel hub.1 brake disengaged position2 brake engaged position5 Manually rotate each non-steer wheel.Result: Each non-steer wheel should rotatewith minimum effort.6 Re-engage the drive hubs by turning over thehub disconnect caps. Rotate each wheel tocheck for engagement. Raise the machine,remove the jack stands and lower themachine.Collision hazard. Failure tore-engage the drive hubs couldresult in death or serious injuryand property damage.