Driving with rigged crane
8.6 Tables with boom positions and axle loads
8 - 26 3 112 441 en Lattice extension operating instructions
GMK 4100/4100-L/5095
11.01.2008
8.6.7 Auxiliary single-sheave boom top or heavy load lattice extension
The following section is valid for GMK 4100, GMK 4100-L and GMK 5095.
Auxiliary single-
sheave boom top
When the rigging mode for the working position
Free on wheels has been
established in accordance with the
Lifting capacity tables and the main boom
is within the permitted working area, the maximum axle load which will
occur when driving the rigged truck crane with rigged auxiliary single-
sheave boom top is 25 t (55,100 lbs) per axle.
Heavy load lattice
extension
If a
Free on wheels working position cannot be established:
• When driving with a rigged auxiliary single-sheave boom top or a rigged
heavy load lattice extension, proceed in the same way as for driving with
a rigged truck crane;
à Operating instructions of the truck crane.
G
Risk of accidents when driving from the crane cab
Before driving the truck crane from the crane cab, note all instructions in
the
Operating instructions of the truck crane and set the rigging mode
described there for working on free wheels;
à Operating instructions of the
truck crane
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