Crane operation
11.3 Crane operation with main boom
Operating Manual GMK6300L 3 112 xxx en 11 - 93
xx.xx.xxxx
Telescoping the
main boom when
horizontal
• Derrick the main boom to the horizontal position as described in section
Lowering the main boom to a horizontal position; Ã p. 11 - 65.
The RCL will automatically switch to the corresponding rigging table. This
table specifies the maximum permissible telescoping at which extending
will be switched off (shutdown values
à Lifting capacity table).
• Set down the load.
• Extend the main boom only until the RCL switches off the extension
procedure.
H
If you continue to extend the main boom after an RCL shutdown, you may
enter ranges in which you can neither perform retraction operations nor
raise the boom.
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