| 摘要 |
A device at a slack adjuster for manually rotating a spindle (1, 5) therein at the replacement of worn-out brake blocks, the spindle being in clutch engagement with a non-rotatable adjuster ear (6). In order to provide for a rotational movement of the spindle (1, 5) by external circumferential movements back and forth a locking spring (12) is arranged between a part (5) of the spindle and an externally actuatable operating sleeve (10).
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