Manitowoc Grove GMK6300L Operating Manual page 849

Rigging for crane
operation
Operating Manual GMK6300L
•
Slacken the hoist rope and derrick the main
boom simultaneously.
•
Raise the main boom until the boom head
is in a vertical position above the block
hook (1).
•
Detach the block hook from the retaining
ropes (2).
•
(A) – Pull the pin (3) out.
•
(B) – Raise the hook block (1) above the
hook (2 until the connecting points are
aligned.
•
Insert the pins (3) and secure them with the
retaining pins.
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Rigging work
12.8 Rigging work on the main boom
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