Installation 43
Basic Radius Parameters for a Telescopic Boom Crane
Sheave head length perpendicular (menu 4C17)
• The distance from the head sheave centre to
the boom centreline
(Your measurement)
Sheave radius (menu 4C19)
(Your measurement)
Crane centre of rotation
Boom length: the distance from the boom base
pin to the head sheave centre
Boom base pin
Figure: Basic radius parameters for a telescopic boom cran
Slew offset (menu 4C2)
• The distance from the boom base pin to
the crane centre of rotation
• If the boom base pin is behind the centre
of rotation this value will be negative.
(Your measurement)
SkyAzúl, Equipment Solutions
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