3 - 50 S-80 • S-85 • S-80X Part No. 122985Section 3 • Scheduled Maintenance Procedures February 2012CHECKLIST D PROCEDURES11 Manually rotate each steer wheel.Result: Each steer wheel should rotate withminimum effort.12 Re-engage the drive hubs by turning overthe drive hub disconnect caps. Rotate eachwheel to check for engagement. Lift themachine and remove the blocks.Collision hazard. Failure tore-engage the drive hubs couldresult in death or serious injury andproperty damage.All models:13 Turn the valve in a clockwise direction to besure it is fully closed.Note: The free-wheel valve is located on the bottomof the drive pump, and should always remainclosed.a drive pumpb screwdriverc lift pumpd free-wheel valveD-3Check the Turntable RotationBearing BoltsGenie specifications require that this procedure beperformed every 1000 hours or annually, whichevercomes first.Maintaining proper torque on the turntable bearingbolts is essential to safe machine operation.Improper bolt torque could result in an unsafeoperating condition and component damage.1 Start the engine from the platform controls andextend the axles.2 Turn the key switch to ground controls.3 Raise the boom and place a safety chock on thelift cylinder rod. Carefully lower the boom ontothe lift cylinder safety chock.Crushing hazard. Keep handsaway from cylinder and all movingparts when lowering the boom.Note: The lift cylinder safety chock is availablethrough Genie Service Parts.4 Remove the center turntable cover retainingfasteners. Remove the cover.adcb