JLG 800AJ HC3 Operation & Safety Manual page 46

Machine Controls and Indicators
Main Boom Telescope
Provides extension and retraction of the main boom.
Platform Leveling Override Switch
A three position switch allows the operator to adjust the automatic self leveling system. This switch
is used to adjust platform level in situations such as ascending/descending a grade.
Only use the platform leveling override function for slight leveling of the platform.
Incorrect use could cause the load/occupant to shift or fall. Failure to do so could
result in death or serious injury.
Platform Rotate
Provides rotation of the platform.
Platform / Ground Select Switch
The three position, key operated switch supplies power to the platform control console when
positioned to Platform. With the switch key turned to the Ground position only ground controls are
operable.
Note: When the Platform/Ground Select Switch is in the center position, power is shut off to the
controls at both operating stations. Remove the key to prevent the controls from being
actuated.
Power / Emergency Stop Switch
A two-position red mushroom shaped switch supplies power to Platform/Ground Select switch when
pulled out (On position). When pushed in (Off position), power is shut off to the Platform/Ground
Select switch.
Note: When Power/Emergency Stop switch is in the On position and engine is not running, an
alarm will sound, indicating the ignition is On.
Always position emergency stop switch to the Off position (pushed in) when
machine is not in use.
Swing
Provides 360 degrees continuous turntable rotation.
Tower Boom Lift
This switch provides raising and lowering of the tower boom. This function works only when the
tower boom is fully retracted.
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WARNING
NOTICE
31222411 800AJ HC3