I use a Barley Crusher and have put thousands of pounds through over many years.
When I have issues with rollers pulling grain through (annoying as heck), I find that disassembly, cleaning and lubricating get me back in working order for the next batch.
I think I’ve cleaned / lubricated it twice in about 10 years. The buildup of grain gunk seems to provide extra friction on the free-spinning roller.
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