Switching Collets on Van Norman

 

I just purchased a Van Norman 22LU and it is time for the silly questions to begin.

 

For starters,  I have no idea how to change the collet.

It has a 1/2 inch 50v Hardings sitting in it with an end mill attached.

 

From internet pictures, it looks like the back is threaded, but i have no idea how to get  a hold on it to even attemp to spin it out.   I do not see any set screws either...

 

Thoughts?

Thanks

Loren

 

 

 

 

Yup,

figured it out.  

The very large knob at the top of the head (despite being very stuck)  is not just for manually spinning the tool.      My machine did not have the motor attached at the moment and without the motor providing resistance, the tool just spins instead of unscrewing the collet.

 

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