JLG 660SJ Operator Manual - Manual (Page 61)

SECTION 4 - MACHINE OPERATION
3121297 – JLG Lift – 4-7
1. Gradeability, which is the percent of grade of the incline
the machine can climb.
2. Sideslope, which is the angle of the slope the machine
can be driven across.
DO NOT DRIVE WITH BOOM ABOVE HORIZONTAL EXCEPT ON A
SMOOTH, FIRM AND LEVEL SURFACE.
TO AVOID LOSS OF TRAVEL CONTROL OR “TIP OVER”, DO NOT DRIVE
MACHINE ON GRADES EXCEEDING THOSE SPECIFIED ON THE SERIAL
NUMBER PLATE.
BE SURE THE TURNTABLE LOCK IS ENGAGED BEFORE ANY EXTENDED
TRAVELING.
DO NOT DRIVE ON SIDESLOPES WHICH EXCEED 5 DEGREES.
USE EXTREME CAUTION WHEN DRIVING IN REVERSE AND AT ALL
TIMES WHEN THE PLATFORM IS ELEVATED.
BEFORE DRIVING, MAKE SURE BOOM IS POSITIONED OVER REAR
DRIVE AXLE. IF BOOM IS OVER FRONT WHEELS, STEER AND DRIVE
CONTROLS WILL BE REVERSED.
Traveling Forward and Reverse
1. At Platform Controls, pull out Emergency
Stop switch and activate footswitch.
2. Position Drive controller to FORWARD or
REVERSE as desired.
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: