• Move the boom, attachment, load, rigging etc. to the desired RIGHT SET POINT.
• Press the push button (27) pointing to Right Point. The information screen (item 1) will
read RIGHT POINT SET.
The red warning light (item 5) will flash and the audible alarm will sound whenever the boom
tip penetrates the exclusion zone.
Pressing the LEFT POINT and RIGHT POINT push buttons (25 & 27) again will cancel the
alarm and the information screen (item 1) will read
LEFT POINT OFF RIGHT POINT OFF
GLOSSARY OF TERMS
ACTUAL LOAD The load suspended below the lifting point.
ALARM A signal that warns or alerts, such as a flashing light or loud noise.
ANGLE SENSOR A device that measures the inclination of a boom.
ANTI TWO-BLOCK A device that, when activated, prevents movement that causes two-blocking.
AUDIBLE ALARM A signal that alerts by means of noise.
AUXILIARY HEAD (AUXHD) A short jib fitted at the main boom head that is used to provide separation of the main and auxiliary ropes when both are reeved over the main boom head.
AUXILIARY HOIST (AUX HOIST) A separate hoist rope system other than the main hoist.
BARGRAPH A pictorial device used to illustrate quantitative relationships.
BOOM A member hinged to the upperstructure that supports the hoisting tackle.
BOOM ANGLE The angle of the longitudinal axis of the boom relative to horizontal.
BOOM HOIST A device for controlling the boom angle.
BOOM LENGTH The length of the boom along its longitudinal axis from the foot pin to the axle of the head machinery.
BOOM MOMENT The turning moment around the boom pivot caused by the moment of the unladen boom.
CAPACITY CHART A table showing the rating of a crane.
CENTER LINE OF ROTATION The vertical axis around which the crane upperstructure rotates.
CENTER OF GRAVITY
The point at which the entire weight of a body may be considered as con-centrated so that if supported at this point the body would remain in equilib-rium in
any position.
COMMISSIONING Preparing to be put into service.
CONFIGURATION An arrangement of the lifting elements of a crane.
COUNTERWEIGHT (CTWT) A weight used to supplement the weight of the crane to provide stability for lifting.
CURSOR A pointer on a display that indicates the position where data is to be entered.
DEDUCT A reduction in rated capacity for an unused stowed or erected attachment.
DIRECTION The direction of rotation of the superstructure.
DUTY A working configuration on a crane usually contained in a single column of a capacity chart.
ERECTED ATTACH-MENT An attachment on the main boom fitted in its working position.
EXTENSION SENSOR A device that measures the extension of the telescoping sections of a boom.
105REVISED:
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