Posted by GLW on August 22, 2019, 4:03 pm, in reply to "Will this help?"
Yes that will help. The model number is 315.228310...but this actual part (the arbor) has been discontinued...and I did look at the ereplacement parts and they were no help.
I do think that "a used arbor" will do if this part is the same as mine...0thanks Riverbend.