Grove Published 02-21-2019, Control # 611-05 2-7
TMS9000-2 OPERATOR MANUAL SAFETY INFORMATION
WIND FORCES
There are basic principles that must be followed while
operating in windy conditions. This information has been
provided to assist in determining safe operation in windy
conditions.
Always use extreme caution when windy conditions exist.
NEVER exceed the rated capacity shown on the Load Chart.
Always check the Load Chart to ensure the load to be
lifted is within the rated capacity of the crane.
Wind can have a significant effect on loads that may be lifted
by a crane. Wind forces act differently on a crane depending
upon the direction from which the wind is blowing (e.g., wind
on the rear of the boom can result in decreased forward
stability, wind on the underside of the boom can result in
decreased backward stability, wind on the side of the boom
can result in structural damages, etc.)
Wind forces can exert extreme dynamic loads. Grove
recommends that a lift not be made if the wind can cause a
loss of control in handling the load.
Wind forces can be determined by typical visible effects on
the landscape.To assist you in determining prevailing wind
conditions, refer to (Table 2-1).
NOTE: The wind speed corresponding to the Beaufort
scale in the table is mean wind speed at 10 m
(33 ft) elevation over a period of 10 minutes.
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