2BV vacuum pump impeller how to dismantle?
Fix the impeller with two screw holes on the bolt and impeller, then rotate the top of the motor shaft with a big point bolt, rotate the bolt on the motor shaft, and the impeller will come out slowly. If it is tight enough, the impeller can be expanded by fire to take out the impeller. Have a try. Try to find a factory repair, high prices, but good repair.
Too hard to pull a disc with hydraulic puller with 30mm steel plate in diameters of both ends of the milling a slot can be
2BV water ring vacuum pump impeller center hole each side has a screw hole, do a tool, a thick iron plate in the middle drilling, tapping, size than the motor shaft is small, the hole at both ends of a slot milling
