UT
Handbook for Use and Maitenance – 50000 WB-80-87-95
Edition
01/11
Revisione
00
32
50000WB_e111_E.doc
LIST OF FUNCTIONS DENIED AND PERMITTED AFTER THE LOAD LIMITING
DEVICE HAS SWITCHED THE CRANE OFF.
●
=
Function denied
by the load limiting device
○
=
Function permitted
by the load limiting device
α = Angle of the second (2
nd
) boom in relation to the horizontal line
●
α > 20° means that the function is forbidden only when the angle α is bigger than
20°.
Function
First boom load
limiting device
Second boom load
limiting device
Inner (1
st
) boom rising
○
●
Inner (1
st
) boom lowering
●
●
Outer (2
nd
) boom rising
●
α < -20°
○
α > 20°
●
α < -20°
○
α > 20°
Outer (2
nd
) boom lowering
●
α > 20°
○
α < -20°
●
α > 20°
○
α < -20°
Inner boom extend
●
●
Inner boom retract
○
○
Outer boom extend
●
○
α < -60°
●
○
α < -60°
Outer boom retract
○
○
Rotation right/left
○
○
In case the crane is not working because there is not current, it is necessary
to verify the condition of the fuse.
Picture 28 –
α
