JLG 340AJ Operator Manual - Manual (Page 37)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121258 – JLG Lift – 3-5
9. Engine Start/ Auxiliary Descent Enable /Function Enable
To start the engine, the switch must be held
"UP" until the engine starts.
To use auxiliary descent enable, the switch
must be held “DOWN” for duration of func-
tion use.
When the engine is running, the switch
must be held "DOWN" to enable all boom
controls.
10. Platform Rotate
Provides rotation of the platform.
ONLY USE THE PLATFORM LEVELING OVERRIDE FUNCTION FOR
SLIGHT LEVELING OF THE PLATFORM. INCORRECT USE COULD CAUSE
THE LOAD/OCCUPANTS TO SHIFT OR FALL. FAILURE TO DO SO COULD
RESULT IN DEATH OR SERIOUS INJURY.
11. 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.
12. Jib Lift
Provides raising and lowering of the jib.