Part No. 122985 S-80 • S-85 • S-80X 3 - 49Section 3 • Scheduled Maintenance ProceduresFebruary 2012CHECKLIST D PROCEDURESdisengaged positionengaged positiondisengaged positionengaged positionD-2Check the Free-wheelConfigurationGenie specifications require that this procedure beperformed every 1000 hours or annually, whichevercomes first.Proper use of the free-wheel configuration isessential to safe machine operation. The free-wheelconfiguration is used primarily for towing. Amachine configured to free-wheel without operatorknowledge could result in death or serious injuryand property damage.Collision hazard. Select a work sitethat is firm and level.Component damage hazard. If themachine must be towed, do notexceed 2 mph / 3.2 km/h.Non-steer wheels: All models1 Chock the steer wheels to prevent the machinefrom rolling.2 Center a lifting jack of ample capacity(20,000 lbs / 10,000 kg) under the drive chassisbetween the non-steer wheels.3 Lift the wheels off the ground and place blocksunder the drive chassis for support.4 Disengage the drive hubs by turning over thedrive hub disconnect caps on eachnon-steer wheel hub.5 Manually rotate each non-steer wheel.Result: Each non-steer wheel should rotate withminimum effort.6 Re-engage the drive hubs by turning overthe hub disconnect caps. Rotate each wheel tocheck for engagement. Lift the machine andremove the blocks.Collision hazard. Failure tore-engage the drive hubs couldresult in death or serious injury andproperty damage.Steer wheels: 4WD models7 Chock the non-steer wheels to prevent themachine from rolling.8 Center a lifting jack of ample capacity(20,000 lbs / 10,000 kg) under the drive chassisbetween the steer wheels.9 Lift the wheels off the ground and then placeblocks under the drive chassis for support.10 Disengage the drive hubs by turning over thedrive hub disconnect caps on each steer wheelhub.