Posted by Chris Case [108.162.215.75] on Tuesday, January 26, 2016 at 07:10:42 :
In Reply to: Re: Disassembled posted by dave horvath [173.245.54.28] on Monday, January 25, 2016 at 21:35:29 :
Motors usually go bad either because the brushes wear down or get stuck and do not make contact. Or the bushing wears to one side and the armature rubs on the field.
But a 3rd prob here could be the diaphragm is hardened up and crudded in place.