Originally Posted by
Dennis
Here are the instructions snipped from the original sheet posted by Peter. I hope you can print them in a large enough size to read easily. If nothing is happening, then the possibilities are:
1. The pliers are not gripping. Or
2. The allen key is worn, or the wrong size, because you should feel that something is turning. That said, what the allen key does, is to lock the collet after it has been adjusted to its best position. The best position is when a burr will go in a little tightly, but still comfortably, with the lever open.
3. Or it could be that the collet or the lock screw are faulty, in which case you need to replace them, but this is hardly likely with a newish handpiece.. Dennis.
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