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LYMAN CASE PREP XPRESS 110 VOLT
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Read 1 Reviews - Average Rating: 4 stars
Better than screwdriver handles.
I have carpal tunnel syndrome and it was getting quite uncomfortable to prep brass.
Written by David B.
on Aug 19, 2013 at 10am
I have had the unit for about a month and have run over 1k pieces of brass across it. Using various head stamps of 9mm, 38sp and 357mag I have cleaned, deburred, decrimped and uniformed primer pockets and flash holes. This was taking about 15 seconds per piece once I got two handed rhythm down.
Most of the shavings and debris stay where they are supposed to but some do stray off the unit onto the bench.
It is rather quiet and has enough weight to not move around on the bench.
It will lug when you give it enough pressure to cut but showed no signs of stopping even when cutting on 2 pieces of brass simultaneously.
I decided to take it apart and see how it worked.
There are some flaws to the unit though. The gear train for the five tool posts is all plastic and open so the gears are not immersed in lube. Nothing seals the shafts to keep debris from getting into the plastic bushing surfaces that supports the shaft.
The motor is a small fan cooled gear reduction unit which has enclosed gears. The gear case was nearly void of lube. The tiny amount that was there was extremely light oil with what seemed to be graphite suspended in it.
I ended up cleaning and relubing everything. In the gear case I used a mix of corn head 00 grease, a little lucas synthetic high temp and added some powdered moly/graph for good measure. On the plastic exposed gears I used some clear teflon synthetic grease that is very tacky.
This clean and lube makes the unit a little louder than original for the first minute or so then becomes extremely quiet once the grease warms up a bit.
I also installed o-rings on the toolposts to hopefully prevent some of the debris from getting through to the gears and bearing surfaces.
Overall a good unit, just not convinced it will stand up for years of use.
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