JLG M450 Operator Manual - Manual (Page 52)

SECTION 4 - MACHINE OPERATION
4-6 – JLG Lift – 3121210
AVOID ANY TERRAIN FEATURES WHICH COULD CAUSE THE MACHINE
TO TIP OVER.
USE EXTREME CAUTION WHEN DRIVING IN REVERSE AND AT ALL
TIMES WHEN DRIVING WITH PLATFORM ELEVATED AND WHEN DRIV-
ING WITH ANY PART OF MACHINE WITHIN 6 FEET OF ANY OBSTRUC-
TION.
BEFORE DRIVING, MAKE SURE BOOM IS POSITIONED OVER REAR
DRIVE AXLE. IF BOOM IS OVER STEER WHEELS, STEER AND DRIVE
CONTROLS WILL MOVE IN OPPOSITE DIRECTIONS TO MACHINE
MOTION.
Traveling Forward and Reverse
FOOTSWITCH MUST BE DEPRESSED PRIOR TO ACTIVATING ANY FUNC-
TION, OTHERWISE FUNCTION WILL NOT OPERATE.
1. If machine is shut down, pull out Emergency Stop at
Ground Controls and place Platform/Ground Select
switch to PLATFORM.
2. At Platform Controls, pull out Emergency Stop switch
and activate footswitch.
3. Position Drive controller to FORWARD or REVERSE as
desired. Angle of controller will determine travel speed.
This machine is equipped with a Drive Orientation Indicator.
The yellow light on the platform control console indicates
that the boom is swung beyond the rear drive tires and the
machine may Drive/Steer in the opposite direction from the
movement of the controls. If the indicator is illuminated,
operate the Drive function in the following manner:
1. Match the black and white direction arrows on both plat-
form control panel and the chassis to determine the
direction the machine will travel.
2. Push and release the Drive Orientation Override switch.
Within 3 seconds, slowly move the Drive control toward
the arrow matching the intended direction of machine
travel. The indicator light will flash during the 3 second
interval until the drive function is selected.
4.5 STEERING
Depress footswitch, position thumb switch on Drive/Steer
controller to RIGHT for steering right, or to LEFT for steering
left.