JLG M450 Operator Manual - Manual (Page 35)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121210 – JLG Lift – 3-5
9. Platform/Ground Select Switch
A three position, key operated switch supplies power to
the platform control console when positioned to PLAT-
FORM. With the switch key in the GROUND position,
power is shut off to platform and only ground controls
are operable.
NOTE: With PLATFORM/GROUND SELECT switch in the center
position, power is shut off to controls at both operating
stations.
10. Lower/Mid Boom Lift
Provides for raising and lowering of Lower Boom when
positioned to UP or DOWN.
11. Upper Boom Lift
Provides for raising and lowering of Upper Boom when
positioned to UP or DOWN.
12. Articulating Jib Boom (If equipped)
The Articulating Jib Boom control switch provides rais-
ing and lowering of the jib when positioned up or down.
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.
13. Platform Leveling Override
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.
14. Rotate
A three position ROTATE control switch permits rotation
of the platform when positioned to left or right.
15. Function Enable (If Equipped)
If equipped, the enable switch must be held "DOWN" to
enable all boom controls when the engine is running.