JLG H340AJ, Operation And Safety Manual

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SECTION 3 - MACHINE CONTROLS AND INDICATORS
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9. Swing
Provides 355 degrees non-con-
tinuous turntable rotation.
10. Engine Start/ Auxiliary Descent Enable /Function Enable
To start the engine, the switch must be tog-
gled "UP" until the engine starts.
To use auxiliary descent enable, the switch
must be held “DOWN” for duration of function
use.
When the engine is running, the switch must
be held "DOWN" to enable all boom controls.
11. 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.
12. 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.
13. Jib Lift
Provides raising and lowering of
the jib.