Heavy load lattice extension
6.3 Operation with the heavy load lattice extension
Lattice extension operating instructions 3 112 441 en 6 - 19
GMK 4100/4100-L/5095
11.01.2008
6.3.5 Procedure if permissible wind speed is exceeded
•
Prior to and during crane operation, check whether the actual wind speed
is lower than the maximum permissible wind speed.
• Make sure that you follow the instructions for checking the wind speed;
à Lifting capacity table; à Operating instructions of the truck crane.
If the maximum permitted wind speed is exceeded
No automatic shutdown occurs if the maximum permissible wind speed is
exceeded.
• Immediately stop crane operation.
• Bring the truck crane into the rigging mode specified for the current wind
speed given by the
Lifting capacity table.
6.3.6 Information about the main boom operation when the heavy
load lattice extension is folded / rigged
If the heavy load lattice extension is folded at the side during operation with
the main boom, the loads given in the
Lifting capacity tables decrease.
For operation with the main boom with a rigged heavy load lattice exten-
sion, you must enter the current rigging mode for the main boom without a
heavy load lattice extension on the SLI.
In this case, the values given in the corresponding
Lifting capacity tables for
the lifting capacities decrease.
s
G
Risk of accidents due to excessively high wind speeds
If the current wind speed is higher that the maximum permissible wind
speed, stop crane operation immediately and establish the corresponding
rigging mode.
This prevents the truck crane from overturning due to overloading.
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