SPT-299CZ-02
38
3.4 Work- area diagram
Note: The description of the figure and table：
The value indicated by the rated lifting capacity in the table is the maximum lifting capacity that the
crane can guarantee on a flat and solid ground, and the lifting capacity does not exceed 80% of the tipping
load;
The rated lifting capacity in the table includes the weight of hooks and spreaders;
The working range in the table is the range value including the deformation of the boom. Therefore,
the lifting operation must be carried out based on the working range;
75% of the tipping load considers the class 7 wind, that is, the wind pressure is 125N/m2; the crane
can still operate when the wind is not stronger than class 7;
The lifting height, operating radius and prohibited operating area in the table and figure are all
reference values.
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