UT
Handbook for Use and Maitenance – 50000 WB-80-87-95
Edition
01/11
Revisione
00
28
50000WB_e111_E.doc
It is forbidden to work with the outer boom at negative angles, abusing the
crane with this working way may end up in serious damage to the crane structure and
create dangerous situations for the operator (Picture 24).
The extension and retraction
capacity of the outer boom
retraction cylinders varies on
base of the main boom angle,
greasing
condition
of
the
extensions
and
wear
pads
conditions.
Normally
the
performances get better after a
short period.
Figura 24
NO
Picture 23
