Heavy load lattice extension
6.3 Operation with the heavy load lattice extension
6 - 20 3 112 441 en Lattice extension operating instructions
GMK 4100/4100-L/5095
11.01.2008
Reduction of the lifting capacity
The
Maximum load display (1) does not show the reduced values.
The SLI, however, takes into account the value for the currently rigged
heavy load lattice extension, adds the weight of the raised load and displays
the sum on the
Current load display (2). The SLI switches off correspondingly
earlier.
The displayed value could deviate from the value that was previously calcu-
lated during the operations planning.
If this is the case, the SLI is not defective. Do not override the SLI. Even if the
displayed value is higher than the calculated value.
6.3.7 Notes on two-hook operation
Notes on two-hook operation; à Turning loads, p. 7 - 1.
G
Risk of overturning with impermissible rigging mode
Main boom operation with a rigged heavy load lattice extension is only per-
missible in rigging modes that are also permissible for the rigged heavy
load lattice extension (outrigger span, counterweight, slewing range).
If you set up rigging modes that are only valid for main boom operation
without a rigged heavy load lattice extension (e.g.
Free on wheels working
position), there is the danger of the truck crane overturning during opera-
tion.
G
Risk of accidents if the SLI is overridden
Do not under any circumstances override the SLI.
If the SLI is overridden, the crane operations will not be monitored and the
truck crane will overturn if you leave the permissible working range.
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