- Joined
- Dec 20, 2012
- Messages
- 9,422
It looks to me like the quill bearings should be straightforward enough. Commonly, these will be tapered roller bearings. I changed mine to sealed angular contact bearings so no maintenance is required for the life of the bearings.
The upper spindle sleeve, commonly known as a drive sleeve, can definitely affect spindle runout. The axial play may or may not be an issue but if there is radial play then that is not good. You've gotten this far so why not change them out? It looks like they are just held in by the housing; that should come loose when you remove the hex screws at the base. Typically, there are two bearings separated by a spacer and there should be a nut to preload the bearings. I would guess once the housing on top is removed, you can push the whole sleeve and bearings out from the bottom. I'm guessing here but its based on rebuilding several drill presses and my RF-31 mill and the construction in your videos is quite similar.
The upper spindle sleeve, commonly known as a drive sleeve, can definitely affect spindle runout. The axial play may or may not be an issue but if there is radial play then that is not good. You've gotten this far so why not change them out? It looks like they are just held in by the housing; that should come loose when you remove the hex screws at the base. Typically, there are two bearings separated by a spacer and there should be a nut to preload the bearings. I would guess once the housing on top is removed, you can push the whole sleeve and bearings out from the bottom. I'm guessing here but its based on rebuilding several drill presses and my RF-31 mill and the construction in your videos is quite similar.