Saturday, April 21, 2007
Doing a maintenance breakdown on the Mk 1 AEM extruder
To my knowledge about the only way that that could happen was for the brass bushing (circled in blue) that keeps the threaded rod that does the pumping in place to have been taking some wear.
I've reported before seeing a black dust that might have been brass powder in the top of the polymer pump. When I broke down the polymer pump and removed the brass bushing I knew for sure then exactly where it was coming from.
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