GREER COMPANY
GREER COMPANY
GREER COMPANY
GREER COMPANY
Crane Systems
GREER COMPANY
1918 EAST GLENWOOD PLACE, SANTA ANA, CA 92705
PN W450250 Rev B 08/09/00
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL
TEL:(714) 259-9702 FAX:(714) 259-7626
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GLOSSARY OF
GLOSSARY OF
GLOSSARY OF
GLOSSARY OF TERMS
TERMS
TERMS
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.
