4 - 20 Genie Z-45/22 Part No. 32960Service Manual - Second EditionSection 4 - Scheduled Maintenance ProceduresTABLE B PROCEDURESB-19Test the Foot SwitchA properly functioning foot switch is essential tosafe machine operation. Machine functions shouldactivate and operate smoothly as long as the footswitch is pressed down, and promptly stop whenthe foot switch is released. The foot switch willalso shift the engine intohigh idle mode if the idleselect is switched to the rabbit and foot switchsymbol. An improperly functioning foot switch cancause an unsafe working condition and endangerplatform and ground personnel.The engine should not start if thefoot switch is pressed down.1 Start the engine from the platform controls.2 Without pressing down the foot switch, operatethe machine functions.Result: The machine functions should notoperate.3 Press down the foot switch and operate themachine functions.Result: The machine functions should operate.B-20Test the Engine Speed SelectA properly operating engine idle select switchis essential to good engine performance and safemachine operation. There are three settings.Low idle (turtle symbol) allows the operator tocontrol individual boom functions only. Drivefunctions do not operate at low idle.High idle (rabbit symbol) allows the operatorto control multiple boom and/or drive functionssimultaneously. This setting maintains aconsistent high idle and is usually selected onlywhen the generator option is being used.Foot switch activated high idle (rabbit and footswitch symbols) should be used for normalmachine operation. This selection activates highidle only when the foot switch is pressed down.1 Pull out the Emergency Stop button to theonposition at both the ground and platformcontrols.2 Start the engine from the ground controls. Thenmove the engine speed control switch to highidle (rabbit symbol) and hold in theon position.Result: The engine should change to high idle.3 Release the engine speed control switch.Result: The engine should return to low idle.4 Turn the key switch to platform controls.5 At the platform controls, move the enginespeed control switch to high idle (rabbitsymbol).Result: The engine should change to high idle.6 Move the engine speed control switch to lowidle (turtle symbol).Result: The engine should change to low idle.7 Move the engine speed control switch to footswitch activated high idle (rabbit and footswitch symbol).Result: The engine should not change to highidle.8 Press down the foot switch.Result: The engine should change to high idle.Gasoline/LPG modelsLow idle 1400 rpmHigh idle 2150 rpmDeutz Diesel modelsLow idle 1300 rpmHigh idle 2300 rpm800-610-4101ActionRental.com
