Yes, using a Dillon 650 progressive with a case feeder....when I break the press down to change calibers ( usually after I've loaded about 60 boxes of one caliber ) so call it 3,000 rds....I clean and lube the press....
clean the area under the case holder../ remove the primer feed system ( take it apart ) and clean inside the feed tube and the parts that rotate and feed the primers ....//// lube the main shaft of the press and the friction points for the handle - and grease the case feeder mechanism in station one...... //// ...clean the feed tube for the case feeder and inside the case feeder - the plate and the hopper... //// ..... I also clean the dies in the toolhead for that caliber ( seating die, powder measure die, etc...) and then put that toolhead on a shelf so its ready to go next time.
and then the press is ready to go for another 3,000 rds of some other caliber....
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When I reload a caliber...I don't usually sit down and just load for 5 or 6 hours....I might go downstairs for an hour ....then case gague and box everything up / -- come back the next day or evening and run another 800 rds ... and stack the finished boxes on top of my safe to draw from as inventory. At 700 or 800 rds an hour ...it doesn't take too many sessions to get 50 or 60 boxes.../ and that's when I take an hour or so to break the press down and clean everything....
then when I'm down to less than 10 boxes in one caliber....I'll set up the press for the next caliber...
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Visiting my son about 3 hours away this past weekend....and I dropped off a dozen boxes of 9mm, a dozen boxes of .357 mag and half a dozen boxes of .38 spl ....at his place on sat..../ makes it easy to do since I always have inventory ( and he's raising 2 of my grandkids )...
and I like having the press clean and ready to go for the next caliber....