JLG 740AJ Operator Manual - Manual (Page 49)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121295 – JLG Lift – 3-9
4. Main Telescope Control
The MAIN TELESCOPE control switch provides exten-
sion and retraction of the main boom when positioned to
IN or OUT.
NOTE: MAIN, LIFT, SWING, and DRIVE control levers are spring-
loaded and will automatically return to neutral (OFF) posi-
tion when released.
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.
DO NOT OPERATE MACHINE IF DRIVE SPEED /TORQUE SELECT OR
FUNCTION SPEED SWITCHES OPERATE WHEN MAIN BOOM IS ABOVE
HORIZONTAL.
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.