I think Pakrat48 has the right idea.Pull it off, clean it up and replace the brushes.The last push button switch I bought was only $14.00 and available from Napa.Let us know how you make out.

Wanted Good Woman:
Must be able to cook , clean , sew , tune engines and polish trucks. Must have old Stovebolt and garage. Please send picture of old Stovebolt and garage.