Crane operation
11.2 Operation of the rated capacity limiter
Operating manual GMK 6400 3 112 993 en 11 - 19
12.07.2013
11.2 Operation of the rated capacity limiter
If the truck crane's current rigging mode is registered properly, the RCL will
prevent the permissible lifting capacity from being exceeded and the truck
crane from being overloaded.
The current rigging mode is based on measured values and manually
entered values.
During the operation of the crane, a visual and acoustic early warning is
issued before the load limit is reached and then the functions are shut down
that would lead into the overload range.
G
Risk of accident due to incorrectly set RCL
Before operating the crane, ensure that the current rigging mode is cor-
rectly entered. An incorrect entry will give you a false sense of security. This
may result in the truck crane overloading and causing an accident.
Registered based on measured
values
Registered based on manually
entered values
– Main boom length
– Main boom angle
– Current load
– Lattice extension inclination
1)
– Outrigger span
3)
– Counterweight
– Length of lattice extension
– Lattice extension angle
2)
– Reeving
– Outrigger span
4)
1)
Luffing jib
2)
Lattice extension – inclinable
3)
For versions with outrigger span monitoring
4)
For versions without outrigger span monitoring
G
Risk of accident due to overridden or faulty RCL
The RCL must never be overridden.
It is prohibited to work if the RCL is switched off, overridden, out of service
or faulty.
G
Danger of overturning in two-hook operation
The rated capacity limiter only ensures safety for single hook operation.
Two-hook operation is not permitted.
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