Malfunctions during crane operation
14.7 Hydraulic emergency operation acc. to BGR 159
14 - 72 3 302 709 en Operating manual
GMK5150L
12.01.2018
Derricking • Determine the maximum permissible working radius for the current
rigging mode according to the
Lifting capacity table.
• Observe the maximum permissible working
radius specified in the
Lifting capacity table –
by measuring, if necessary.
• Move the control lever (1) in the required
direction.
Lifting/lowering
• Move the control lever (1) in the required
direction.
G
Danger of overturning if the working radius is too large when lowering the
boom
In emergency operation, operations are not shut down by RCL. This also
applies if the RCL displays are still active after switching on the ignition. The
truck crane will overturn if you exceed the maximum permissible working
radius for the current rigging mode as specified in the
Lifting capacity table
when lowering the boom.
A: Lowering
B: Raising
A: Lowering
B: Lifting
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