JLG 800A_AJ Operator Manual - Manual (Page 52)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-12 – JLG Lift – 3121209
5. Drive/Steer
Proportional single axis joystick is provided to control
drive. Push forward to drive forward, pull back to drive in
reverse. Steering is accomplished via a thumb-activated
rocker switch on the end of the handle. Push on the left
side of the switch to steer left, on right side to steer right.
NOTE: Both drive and steer functions work in the opposite direc-
tion when the main boom is positioned over front of the
chassis.
NOTE: When main boom is positioned above horizontal and any
of the following switches, DRIVE SPEED/TORQUE
SELECT or FUNCTION SPEED, are positioned to HIGH,
high function speeds are automatically set to creep and
the machine continues to operate at a lower speed.
6. Function Speed
Controls the speed of Boom and Swing Functions.
Rotate CCW for slower speed and CW for faster speed.
To adjust to creep, turn knob fully CCW until it clicks.
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
This switch allows the operator to rotate the basket to
the left or right.