JLG 1200SJP Operator Manual - Manual (Page 64)

SECTION 4 - MACHINE OPERATION
4-4 – JLG Lift – 3121141
Stability
Machine stability is based on two (2) conditions which are called
FORWARD and BACKWARD stability. The machine’s position of
least FORWARD stability is shown in (See Figure 4-1.), and its posi-
tion of least BACKWARD stability is shown in (See Figure 4-2.)
TO AVOID FORWARD OR BACKWARD TIPPING, DO NOT OVERLOAD MACHINE OR OPER-
ATE THE MACHINE ON AN OUT-OF-LEVEL SURFACE.
4.3 CAPACITY SELECT
The Boom Control System allows the operator to select operation in
a 500 lb. (227 kg for ANSI markets and 230 kg for CE and Australia
markets) capacity restriction envelope or a 1000 lb. (454 kg for ANSI
markets and 450 kg for CE and Australia markets) capacity restriction
envelope. The operator selects the desired capacity restriction by
positioning the Capacity Select switch on the platform console. The
Capacity Indicator shows the capacity selected, and both capacity
lights will flash and an alarm sound if the platform is out of the
selected capacity range.
NOTE: Operation in the 1000 lb. (454 kg for ANSI markets and 450 kg for
CE and Australia markets) envelope requires the jib to be fixed in
the centered position.