About a year ago I bought a Trosser hand mill via eBay. It arrived looking
pretty good on the outside, but the inside was all gooped up, with a few
fragments of walnuts or something similar cemented into the goop.
I cleaned the grinder last night. I first tried to remove the grind
mechanism by removing the four smallest screws on the top of the grinder,
the ones holding the hopper to the wooden top of the grinder box. I got
three of them out but couldn't get a grip on the fourth, so put the first
three back in.
The remaining option was to take the entire top off. I removed the four
larger screws from the four corners and took the wooden top off. I could see
this was the correct procedure, since the entire grinding mechanism was
attached to the wooden top. It wouldn't have helped much to take the top of
the hopper off, just would have made the inside of the hopper a tad more
I could see that the grinding mechanism could be disassembled by sliding the
shaft downward though a bracket. The shaft that the handle attaches to would
have to slide through a narrow hole. The grind handle was screwed onto the
threaded top of the shaft and was rusted onto the threads. I sprayed on a
bit of WD-40, reached a vice grips through the hole into the hopper to grab
the shaft, and turned the handle. It took several regrips with the vice
grips, which chewed the shaft up a bit, but it finally came. When I
reassemble later today I will put some dive silicone lubricant onto the
The burrs and associated metal were pretty well caked with a thick coating
of goop and walnuts or something similar. I decided to boil the works in
soapy water. After about 15 minutes I dumped it all into a dishpan and
cleaned with a green fiber scrubber, tooth brush, and wash cloth. I was
afraid the burrs would be rusted and pitted, but they cleaned right up.
I used hot soapy dishwater, a tooth brush, and the point of a knife blade to
clean the insides of the hopper (primarily wood) and the wooden drawer. They
too cleaned up nicely.
I left the pieces on the counter overnight to thoroughly dry. It is a knee
grinder which I wanted as a travel grinder, so I won't be using this grinder
a lot, but I am interested in seeing how it grinds. I will give it a try
this coming weekend.