Well here's LEM's response:
Thank you for your recent inquiry.
I'm sorry you are having problems with your stuffer. I sounds like the washer is just slightly out of place. I have attached instructions for you to reassemble the unit which should end the metal shavings. My suggestion on the tubes would be that after washing and drying, put them in the oven on the lowest setting for about 10 minutes. This will ensure that the tubes are competely dry. You can also store them in a bag of rice, the rice will absorb any excess moisture that may be on the inside of the tubes. I hope this helps.
Please let me know if I can further assist you.
Here's my response, which I attached the photos I've posted here:
I have taken apart the stuffer and reassembled it. This has not fixed the problem. To me it appears that the machining is off or that the lash of the gear on the threaded rod is incorrect. I basically have not been using this stuffer because of the shavings falling into the tub. As for the stainless tubes, it shouldn't rust even when wet. The stainless tubes that I have for my Enterprise stuffer look as good as new and I have been using them for 20+ years. Once again I see this as poor quality machining. Looking at the interior of the tubes they are extremely rough.
I am attaching photos for you to review. I am hoping that LEM will make this right. I spent 3 years researching and reading reviews prior to buying this stuffer. So far it has not performed per the reviews.