Reference
Only
Manitowoc
Published 01-08-13, Control # 049-05
3-19
2250 MAX-ER 2000 OPERATOR’S MANUAL
OPERATING CONTROLS AND PROCEDURES
3
The wind’s affect on the rear of the
load increases load radius. This
condition can result in an overload
hazard, possibly causing the crane
to tip or the boom to collapse.
To a v o i d t h i s h a z a r d , r e d u c e
operating speeds and load (see
Tables for recommended capacity
reductions).
Boom strength is affected the most
when the wind acts on the side of the
boom.
The boom can buckle and collapse if the
load contacts the boom.
Backward stability is affected by wind on
the front of the boom. This condition is
especially dangerous when the boom is
at or near the maximum angle when
operating without load.
Wind forces on the front of the boom
reduce the normal forward tipping effect
of the boom. The crane can tip or the
boom can collapse if this condition is not
avoided.
Forward stability is affected by wind
o n t h e r e a r o f t h e b o o m . W i n d
applies a force to the boom and load
that adds to the crane’s overturning
moment. This action has the same
effect as adding load to the hook.
The wind’s affect on the side of the
load can cause the load to swing
out past the boom hinge pin. This
condition can result in excessive
s i d e l o a d f o r ce s o n th e b o o m ,
possibly causing the crane to tip or
the boom to collapse.
To a v o i d t h i s h a z a r d , r e d u c e
operating speeds and load (see
Tables for recommended capacity
reductions).
FIGURE 3-22
A1074
