here ia what i did untill the vac on the media blaster died .......
looks like i need an new electeic motor or i my be able to ge parts to fix it
its an 1970's dry vac from dayton . did start the old air file on the inside the cab to fix a couple of ruff spots on under the window. the last two are from the media blaster i hope i can by the fan. the moter and brushes look ok but being 30 something years old .. it might be cheeper wirh an new dry vac . will see