Greetings,

I have an Excello Model 602 vari speed 2hp turret ram vertical mill w/NMTB40.

I have been trying to remove the lower half of the variable speed pulley to service the brake without any luck. I have the top pulley half off and I removed the motor housing from the mill head. It looks like there is a spanner type nut that holds the lower pulley half down on the main shaft. I cannot for the life of me figure out how to get that nut off (direction) or special process. I have broken two spanner tools and I have not budged the nut. I need to get to the brake to replace the shoe, the oil seal and the main shaft. The shaft with the keyway is worn and was binding on the bronze sleeve of the moving upper half of the variable pulley.

Does anyone know how to get this apart?

I also need to replace the micro quill reverse/forward button and shaft that is in the center of the micro quill wheel. Has anyone serviced that area of the mill head??

Thank you!

I was able to locate a service/owner manual in PDF from a member on this site. I then located the OEM parts supplier for the Excello line. They are MAG Maintenance Technologies.