April 2016 Service ManualPlatform ControlsPart No. 139378 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N 471-1ControllersThe drive joystick is connected to the drive motorcontroller, located under the drive chassis cover atthe non-steer end of the machine. Maintaining theboom function speed controller at the propersettings is essential to safe machine operation. Theboom function speed controller should operatesmoothly and provide proportional speed controlthrough its entire range of motion. For furtherinformation or assistance, contact the GenieProduct Support.1 boom function speed controller2 drive and brake printed circuit board3 drive joystickBoom Function Speed ControllerAdjustmentsElectrocution/burn hazard.Contact with electrically chargedcircuits could result in death orserious injury. Remove all rings,watches and other jewelry.Note: Do not adjust the boom function speedcontroller unless the static battery supply voltage isabove 24V DC.1 Turn the key switch to platform controls andpull out the red Emergency Stop button to theon position at both the ground and platformcontrols.2 Open the platform control box lid and locatethe boom function speed controller.1 black/red wire2 diode3 white/red wire4 boom function speed controller5 ramp rate trimpot6 threshold trimpot7 max out trimpot
