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Safety precautions and warnings
Operator's Manual GB
3.2.4
• first boom up
• second boom up
• extension boom out
• first boom down (certain crane types and
cases)
Lifting the load
You obtain the best from your crane in this way:
Ensure that you always have the work in clear
view. If you cannot see the load properly, you
could cause a fatal accident or serious damage.
Sling length
Always attach the load using the shortest possible
sling. The angle between the legs of the sling
must not exceed 120°. The maximum working
load (usually known as the working load limit
(WLL) in standards) of a multilegged sling for
general purposes is calculated by multiplying the
WLL of a single leg by a mode factor, in
accordance with the table.
Max angle to
the vertical of
any sling leg
(degrees)
Mode factor
two legged
sling
Mode factor
three and four
legged sling
0-45
1,4
2,1
45-60
1,0
1,5
If the angle between the legs of the sling exceeds
90°, the slings should not be hung directly on the
hook, but rather be slung from a ring that is hung
on the hook.
Working close to the load
