Originally Posted by
mactec54
Not really what you first asked, if the retro fitter removed it then there would be no need for it, they are protecting the quill by removing it, as if it go locked up to tight it would cause damage, I would make sure the hole is blocked off, or chips will get in there and cause more damage than if it still had the quill lock in place
The spindle runs in the quill yes, but the quill runs in the Head main housing, this is were the quill has to be a good fit, the lock is not related to the spindle in any way, the lock is related only to the Quill and main Head Housing