HOBART K5SS kitchenaid stand mixer, making GRINDING noises! HELP

Hello everybody!

I recently purchased a Hobart era K5SS mixer. Heres the rundown:

It was in perfect clean condition when I received it, ran nicely (no issues whatsoever, no grinding noises.)

However, I saw a yellow tint around the trim band (suspected it may have been oil) so i thought it might need a grease change. I opened it up and found that the grease looked almost brand new, i was shocked! So i just cleaned up around the trim band with dry paper towels and put everything back together.

): This is where things begin to get sad... I started up my beautiful mixer and VNRINGRIOGNIROEN I hear this horrid grinding noise!

I scour the internet for cures or causes and many say its the worm gear and that the teeth are damaged etc. I know this is not the case because 1. It was PERFECT before I opened it (never even USED it yet) and 2. I opened it back up and the gears are PERFECT as well!!! I checked all of the other gears and they too are perfect (no missing teeth, no metal flakes or deposits which is a sign of broken teeth) Sad

Whats wrong with my mixer? I suspected that A. The brushes were not touching the armature B. I knocked something loose while hammering the groove pin out C. When I mated the top and bottom covers I did not make sure the gears meshed well.

So far I've checked the motor brushes (they were perf.)

I checked for anything loose inside of the mixer (i see nothing yet... at least)

And I've mated and checked that the gears have meshed for the third time now.


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@greatpies99 this will be difficult to answer since we cannot see what is going on. I would suggest that you take a look at the service manual for your mixer K5SS Stand Mixer Armed with that disassemble your mixer and see if you can determine where or what went wrong. It may also help if you post some images of what you are looking at with your question. For that use this guide

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