Quote Originally Posted by Sonic Mountain View Post
Use a sharp utility knife to carefully score around the edge of the plastic nut. Then use a block of wood and a hammer to give it a couple of gentle taps. It should just pop off. Scoring with the knife should minimise any wood that comes off. If you do chip it a little you can superglue it back on and it will be invisible after finishing. When installing, just a couple of small dots of superglue will do the trick.
Thank you very much for the advise