Service Manual April 2016Checklist B Procedures26 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378B-4Confirm the Proper BrakeConfigurationGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Proper brake configuration is essential to safeoperation and good machine performance.Hydrostatic brakes and hydraulically-released,spring-applied individual wheel brakes can appearto operate normally when they are actually not fullyoperational.1 Check each drive hub disconnect cap to besure it is in the engaged position.1 brake disengaged position2 brake engaged positionB-5Check the Drive Hub Oil Leveland Fastener TorqueGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.Failure to maintain proper drive hub oil levels maycause the machine to perform poorly and continueduse may cause component damage.1 Drive the machine to rotate the hub until theplugs are located one on top and the other at90 degrees.1 drive hub plugs2 Remove the plug located at 90 degrees andcheck the oil level.Result: The oil level should be even with thebottom of the plug hole.3 If necessary, remove the top plug and add oiluntil the oil level is even with the bottom of theside plug hole.4 Install the plug(s) into the drive hub.5 Check the torque of the drive hub mountingbolts. Refer to Specifications, MachineSpecifications.6 Repeat this procedure for each drive hub.