JLG 740AJ Operator Manual - Manual (Page 52)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-12 – JLG Lift – 3121295
7. Drive Speed/Torque Select
Drive Speed/Torque Select is a three position switch The
forward position gives maximum drive speed by shifting
the drive motors to minimum the displacement and giv-
ing high engine when drive controller is moved. The
back position gives maximum torque for rough terrain
and climbing grades by shifting the wheel motors to
maximum displacement and giving high engine speed
when the drive controller is moved. The center position
allows the machine to be driven as quietly as possible
by leaving the engine at mid speed and the drive motors
in minimum displacement or fastest speed.
8. Platform Rotate
The Swing control switch provides 360 degrees continu-
ous turntable rotation when positioned to LEFT or
RIGHT.
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.
9. Platform Leveling Override
A three position switch allow the operator to adjust the
automatic self leveling system. This switch is used to
adjust platform level in situation such as ascending/
descending a grade.
10. Articulating Jib Boom. (If Equipped)
The ARTICULATING control switch provides raising and
lowering of the jib when positioned to UP or DOWN.
11. Fuel Select (Dual Fuel Engine Only) (If Equipped)
Gasoline or liquid propane fuel may be selected by mov-
ing the switch to the appropriate position. It is unneces-
sary to purge the fuel system before switching fuels, so
there is no waiting period when switching fuels while the
engine is running.