JLG 450A Operation And Safety Manual page 59

14. Tower Boom Lift
Provides for raising and lowering of tower
boom when positioned up or down.
15. Platform Rotate
Provides rotation of the platform when posi-
tioned to the right or left.
16. Function Speed Control
This control affects the speed of telescope,
tower lift and jib lift. Turning the knob all
the way counterclockwise until it clicks puts
drive, main lift and swing into creep mode.
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
NOTE: To operate the Main Boom Lift/Swing joystick,
pull up on the locking ring below the handle.
NOTE: The Main Boom Lift/Swing joystick is spring
loaded and will automatically return to neutral
(off) position when released.
17. Main Lift/Swing Controller
Provides main lift and swing. Push for-
ward to lift up, pull backward to boom
down. Move right to swing right, move
left to swing left. Moving the joystick
activates switches to provide the func-
tions selected.
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