Boom extension
4.3 Operation with boom extension
Lattice extension operating instructions 3 112 441 en 4 - 23
GMK 4100/4100-L/5095
11.01.2008
4.3.4 Notes on the SLI shutdown
Operation with the boom extension is monitored by the SLI.
When operating with the boom extension, SLI shutdowns may occur for the
same reasons as when operating with the main boom;
à Operating instruc-
tions
of the truck crane.
If the derricking swing-away lattice is rigged when operating with the boom
extension, there are other reasons which may result in an SLI shutdown;
à p. 3 - 91.
4.3.5 Procedure if permissible wind speed is exceeded
•
Prior to and during crane operation, check whether the current wind
speed is lower than the maximum permissible wind speed.
• Make sure you follow the instructions for checking the wind speed;
à Lifting capacity table; à Operating instructions of the truck crane.
If the maximum permissible wind speed is exceeded
No automatic shutdown occurs if the maximum permissible wind speed is
exceeded.
• Immediately stop operating the crane.
• Bring the truck crane into the rigging mode specified for the current wind
speed in the
Lifting capacity table.
4.3.6 Notes on two-hook operation
Notes on two-hook operation; à Turning loads, p. 7 - 1.
G
Risk of accidents due to excessive wind speeds
If the current wind speed is higher than the maximum permissible wind
speed, stop operating the crane immediately and establish the correspond-
ing rigging mode.
This will prevent the truck crane from overloading and overturning.
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