Only with a slewing drive
The friction clutch on the slewing gear can be released to allow the jib arm to be rotated by hand. This is necessary to be able to align the jib crane and to be able to rotate the jib crane by hand, if for example there is a power failure or the slewing motor is defective.
Releasing the friction clutch
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Hexagon head screw |
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Lock nut |
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Mark the exact position of the hexagon head screw on the slewing
gear.
Undo the hexagon head screw.
● The jib arm can now be moved freely.
If necessary, the hexagon head screw can be removed completely. It can be easily screwed back in later.