Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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7-11
DEFINITION OF TERMS
Net rated load
Rated load
Weight of
hooking
implements
such as
hook
Lift above ground
Working
radius
Boom angle
Boom length
Sheave pin
Boom
foot pin
Slewing center
Net rated load
Rated load
Lifting capacity
Working radius
Boom length
Boom angle
Lift above ground
Net load which can be lifted by hook deter-
mined on the basis of stability of crane.
Maximum load including hook and hooking
implements which can be lifted according to
the boom angle and/or the boom length deter-
mined on the basis of stability of crane.
This refer to maximum load of the rated load
described section above.
This is horizontal distance from the slewing
center to the hook center.
This is distance from the boom foot pin to the
sheave pin on the boom top.
This refers to an angle made by axis line of
boom and the horizontal line.
This refers to maximum vertical distance
between bottom end of the hook to the ground
surface with the hook wound up to touch the
overwinding alarm detector.