Section 5 — Protection Systems • 33
Section 5 — Protection Systems
Figure 5.1 — Protection Systems
The unit is equipped with operator aids that are intended
to assist the operator in the safe use of this unit. How-
ever, even with these systems, the unit can be damaged
if the operator overrides the system or disregards the
recommended methods and procedures described in
this manual.
Load Moment and Area
Protection System (LMAP)
The LMAP system monitors load on the unit and the work-
ing area. This system is an important feature that may help
prevent accidents and damage to the unit. All operators
should understand the system and its importance (LMAP
Operator’s Manual found in the Appendix).
The load moment part of the LMAP system is built into
the unit’s hydraulic and electrical systems. Pressure
transducers in the LMAP computer unit sense the amount
of pressure in the lift cylinder. When the unit is loaded
to 90 percent of its rated capacity, an audible alarm is
activated. When the unit is loaded to 100 percent of its
rated capacity, the LMAP system is activated. The LMAP
system temporarily shuts off the following functions that
can cause further overloading.
• Winch raise • Boom extend
• Boom lower
While these functions are temporarily shut off, the following
functions remain operational to relieve the overload.
• Winch lower • Boom retract
• Boom raise
When the operator eliminates the overload from the unit,
the system automatically restores operation to the func-
tions that were temporarily shut off.
Do not use the LMAP system as a way of determining
the load the unit will lift. Use the load capacity chart to
determine if a load is within the capacity of the unit.
WARNING
Death or serious injury can result from overloading
the unit. Do not exceed the rated capacity values.
You should not operate the unit with a disabled or im-
properly functioning LMAP system.
LMAP
Display
Boom Angle
Sensor
Extension
Reel
Load Protection
Anti-Two-Block
Indicator
Load Moment
and Area
Protection
System
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