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12 Pull out the red Emergency Stop button to the on position. 13 Push and hold the lift function enable button. Push and hold the platform down button. Result: The platform should lower. 14 Turn the key switch to platform control and restart the engine. FUNCTION TESTS At the Platform Controls Test Emergency Stop 15 Push in the platform red Emergency Stop button to the off position. Result: No functions should operate. 16 Pull the red Emergency Stop button out to the on position. Result: The green power light should come on. Test the Horn 17 Push the horn button. Result: The horn should sound. Test Up/Down Functions and Function Enable 18 Start the engine. 19 Activate the up/down rocker switch in the direction indicated by the blue arrow. Result: The platform should not raise. 20 Push and hold the lift function enable button. 21 Activate the up/down rocker switch in the direction indicated by the blue arrow. Result: The platform should raise. 22 Push and hold the lift function enable button. 23 Activate the up/down rocker switch in the direction indicated by the yellow arrow. Result: The platform should lower. The descent alarm should sound while the platform is lowering. PartNo.82828 Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 Operator's Manual Second Edition • Third Printing FUNCTION TESTS Test the Steering Note: When performing the steer and drive function tests, stand in the platform facing the steer end of the machine. 24 Press and hold the function enable switch on the control handle. 25 Depress the thumb rocker switch on top of the control handle in the direction identified by the blue triangle on the control panel. Result: The steer wheels should turn in the direction that the blue triangle points on the control panel. 26 Depress the thumb rocker switch in the direction identified by the yellow triangle on the control panel. Result: The steer wheels should turn in the direction that the yellow triangle points on the control panel. Test Drive and Braking 27 Press and hold the function enable switch on the control handle. 28 Slowly move the control handle in the direction indicated by the blue arrow on the control panel until the machine begins to move, then return the handle to the center position. Result: The machine should move in the direction that the blue arrow points on the control panel, then come to an abrupt stop. 29 Press and hold the function enable switch on the control handle. 30 Slowly move the control handle in the direction indicated by the yellow arrow on the control panel until the machine begins to move, then return the handle to the center position. Result: The machine should move in the direction that the yellow arrow points on the control panel, then come to an abrupt stop. Note: The brakes must be able to hold the machine on any slope it is able to climb. Test Limited Drive Speed 31 Push and hold the lift function enable button. Raise the platform approximately 1.83 m from the ground. 32 Press and hold the function enable switch on the control handle. 33 Slowly move the control handle to the full drive position. Result: The maximum achievable drive speed with the platform raised should not exceed 31 cm/s. If the drive speed with the platform raised exceeds 31 cm/s, immediately tag and remove the machine from service. Genie GS-3384 & GS-3390 & GS-4390 & GS-5390 PartNo.82828 Second Edition • Third Printing Operator's Manual Test the Up Limit Switch and the Outriggers GS- 5390 34 Push and hold the lift function enable button. Raise the platform. Result: The platform should raise to 9.1 m and then stop. The platform should not raise above 9.1 m unless the outriggers are lowered. 35 Drive the machine forward. Result: The drive function should not operate. 36 Lower the platform. If the platform is higher than 3.6 m from the ground, the outriggers will not lower. 37 Push and hold the auto level button. 38 Activate the up/down rocker switch in the down direction. Result: The outriggers should extend and level the machine. A beep will sound when the machine is level. 39 Raise the platform. Result: The platform should raise to full height. 40 Lower the platform. 41 Push and hold the auto leve button and raise the outriggers. FUNCTION TESTS Test the Tilt Sensor Operation Note: Perform this test from the ground with the platform controller. Do not stand in the platform. 42 Fully lower the platform. 43 Drive both wheels on one side onto an 18 cm block. 44 Raise the platform at least 3.6 m. Result: The platform should stop and the tilt alarm will sound at 180 beeps per minute. The indicator light on the lift function enable button will be red. 45 Move the drive control handle in the direction indicated by the blue arrow, then move the drive control handle in the direction indicated by the yellow arrow. Result: The drive function should not work in either direction. 46 Lower the platform and drive the machine off the block. Test Auxiliary Lowering 47 Push and hold the lift function enable butt...

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