Kenmore 204101 Single-Speed Blender "smell odor burn" Questions

...smell apparent since first day of use and getting worse with age. Is this odor normal or does it indicate the blender needs repair or lubrication? If the latter, can this be done at home? no, that is ...

blender turns off while using the vitamix blender it gets real hot, i'll smell something burning, and the vitamix will shut off. Sure it sounds like it's just overheating, but it will do this when i'm