JLG 340AJ Operation And Safety Manual page 46

SECTION 3 - MACHINE CONTROLS AND INDICATORS
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 function
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.
3-6
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.
13. Machine Safety System Override (MSSO) (CE
Only)
Provides emergency override of function
controls that are locked out in the event of
Load Sense System activation.
– JLG Lift – 3121258