Boom Operating Characteristics And Limitations; Capacities; Stability - JLG 450A Operation And Safety Manual

SECTION 4 - MACHINE OPERATION
4.2 BOOM OPERATING CHARACTERISTICS AND
LIMITATIONS

Capacities

Raising boom above horizontal with or without any load in plat-
form, is based on the following criteria:
1. Machine is positioned on a smooth, firm and level surface.
2. Load is within manufacturers rated design capacity.
3. All machine systems are functioning properly.
4. Machine is as originally equipped from JLG.
4-2

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 Figure 4-1., and its position
of least BACKWARD stability is shown in Figure 4-2.
TO AVOID FORWARD OR BACKWARD TIPPING, DO NOT OVERLOAD MACHINE OR OPER-
ATE THE MACHINE ON AN OUT-OF-LEVEL SURFACE.
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