Rigging work
12.8 Rigging work on the main boom
12 - 110 3 112 xxx en Operating Manual GMK6300L
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Removing the right lifting limit switch
• Pull the plug from the socket (1).
• Insert the bridging plug (2) into the socket (1).
• Remove the lifting limit switch (4) from the
bracket (3).
• Fasten the retaining pin to the lifting limit
switch.
12.8.7 Locking/unlocking the lifting limit switch
Locking If a hoist rope has been reeved and two lifting limit switches are installed,
you must lock the lifting limit switch not used in order to enable all crane
operations.
S
Risk of damage if the lifting limit switch is locked!
The lifting limit switch to which the lifting limit switch weight is attached
may under no circumstances be locked when operating the crane.
If the lifting limit switch is locked, release the lock.
This prevents the hook block hitting the main boom head, causing damage
to the hook block, main boom head and hoist rope.
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