Operator's ManualFourth Edition · First PrintingPart No. 114340 Z-45/25 • Z-45/25J • Z-51/30J 21Ground Control Panel1 Platform level switchMove the platform levelswitch up and the level ofthe platform will raise.Move the platform levelswitch down and the levelof the platform will lower.2 Platform rotate switchMove the platform rotateswitch to the right and theplatform will rotate to theright. Move the platformrotate switch to the left andthe platform will rotate to theleft.3 Jib boom up/down switchMove the jib boom switch upand the jib boom will raise.Move the jib boom switch downand the jib boom will lower.4 Turntable rotate switchMove the turntable rotate switch tothe right and the turntable willrotate to the right. Move theturntable rotate switch to the leftand the turntable will rotate to theleft.5 Primary boom up/down switchMove the primary boom up/down switch up and the boomwill raise. Move the primaryboom up/down switch downand the boom will lower.6 Primary boom extend/retract switchMove the primary boomextend/retract switch to theright and the boom willretract. Move the boomextend/retract switch to theleft and the boom willextend.7 Gasoline/LPG models: Fuel select switchMove the fuel select switch to the gasolineposition to select gasoline. Move the fuel selectswitch to the LPG position to select LPG.8 Platform overload indicator lightLight flashing indicates the platform isoverloaded and no functions will operate.Remove weight until the light goes off.9 Auxiliary power switchUse auxiliary power if the primary power source(engine) fails.Simultaneously hold the auxiliary power switchto either side and activate the desired function.10 Gasoline/LPG models: Check engine lightDiesel models: Oil pressure lightLight on and engine stopped: Tag the machineand remove from service.Light on and engine still running: Contactservice personnel within 24 hours.11 Key switch for platform/off/ground selectionControls