JLG 460SJ Operator Manual - Manual (Page 60)

SECTION 4 - MACHINE OPERATION
4-2 – JLG Lift – 3121216
Stability
This machine as originally manufactured by JLG Industries Inc.,
when operated within its rated capacity on a smooth, firm and
level supporting surface, and in accordance with the instruc-
tions provided on the machine and this manual, provides a
stable machine for all platform positions.
Machine stability is based on two positions which are called
FORWARD STABILITY and BACKWARD STABILITY. The machines
position of least backward stability is shown in Figure 4-1., and
its position of least forward stability is shown in Figure 4-2.
TO AVOID FORWARD OR BACKWARD UPSET, DO NOT OVERLOAD MACHINE OR OPERATE
ON AN OUT-OF-LEVEL SURFACE.
Figure 4-1. Position Of Least Backward Stability
ROTATE PLATFORM
90 DEGREES
BOOM FULLY
ELEVATED AND
FULLY RETRACTED
MACHINE WILL TIP
OVER IN THIS DIRECTION IF
OVERLOADED OR OPERATED ON
AN OUT-OF-LEVEL SURFACE