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Release the door locking with the ratchet
Open top hinged door with safety support swivelled
Make sure that no persons are in the danger zone.
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Loosen the door locking with the ratchet until the top hinged door opens.
Opening the top hinged door by means of lifting or pull-
ing devices on the door pin
Safety support of top hinged door swivelled
Let the top hinged door down until it is carried by the
safety support