Rothenberger ROPOWER 50 R Mode D'emploi page 17

Pull locking lever toward „A" to open dies.
Slide cam plate fully toward „B" and remove dies.
Installation:
Precise thread-tapping is only possible if the number on the slot of the thread-tapping head
corresponds with the number on the thread jaw!
Insert dies with the number matched to the number on die head.
Dies can be set at the proper position when the line on dies is fitted to the circumference of die head.
Slide cam plate toward „C"until a click sound is heard from locking lever.
After changing the thread-tapping jaws, check that they are secure!
After changing the thread-tapping head or replacing the thread-tapping jaws, check that
they are locked securely in the tool carriage!
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Locking lever