Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 819 en 11 - 101
GMK3060
13.12.2018
Fixed length, inter-
mediate length,
telescoping length
There are lifting capacity tables for main boom fixed lengths, main boom interme-
diate lengths and main boom telescoping lengths.
The lengths are automatically detected by the RCL, and the corresponding lifting
capacities according to the Lifting capacity table are enabled and displayed auto-
matically.
Main boom fixed length
Main boom fixed lengths have the greatest lifting capacities. A main boom fixed
length is reached if:
– All telescopic sections are locked to a fixed length
– All telescopic sections are set down.
Main boom intermediate length
A main boom intermediate length is reached if not all telescopic sections are
locked to fixed lengths.
Extend the main boom to the required length before hoisting the load!
You cannot telescope the boom with the specified lifting capacities for main boom
intermediate lengths.
Main boom telescoping length
The main boom is at a telescoping length if it is extended to an intermediate
length and may be telescoped with the current load. The size of the load that can
be telescoped depends on the angle of inclination and on the degree of lubrica-
tion of the main boom.
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