Sorry - I guess this wasn't a good question to post here, and there's probably a simple answer, but what I was asking was how to get all the unused powder in the powder measure back into the powder bottle. I can do this easily when the powder measure is mounted on the table stand, by opening up the measuring screw, and just running the measure handle back and forth. I was trying to find a way to do this with the measure on the Pro2000 without having to take the whole thing off the press.
Sorry for posting simple things here - in the future, I'll just call RCBS directly.
No....it's a good valid and important question.....and you are misunderstanding the answer. Not your fault.
cfullgraf explained the answer better than I did, but just in case you're still fuzzy I'll splain a little more.
cfullgraf said, "the powder drop die remains on the press while the measure is removed and emptied." He then said, "With the measure off the press, you can cycle the measure manually to get the last kernels of powder out of the measure." That's true, but once out, you turn it upside down and dump it first....into a funnel placed in the powder can.....then work the cylinder a few strokes to remove the last kernels.
The Uniflow (or Hornady P.M.) is set up on a progressive with the case-activated linkage/powder die pictured below: (powder measure faded, spring and thumb screw prominent)
So the assembly is in two pieces: 1. the Uniflow with a drop tube or PTX (powder through expander)sticking out the bottom and the upper clamp holding the case-activated linkage, 2. the case-activated linkage powder die (screws into the die plate of the press).
Those two assemblies are held together by only the spring and a thumbscrew. The lower Case-activated linkage clamp is mounted to the powder die. The powder die is the
ONLY part fastened to the press.
What we do is separate the two assemblies by removing the spring and the thumbscrew. Takes all of 5 seconds. Then the Uniflow just lifts away where you can turn it upside down and dump the hopper......that is WAY easier than cranking the uniflow for 5 minutes to empty
Then all you have to do to set it up for a new pistol caliber is add a caliber-specific PTX (or drop tube if you don't use a PTX) and remount the measure, re-hooking the spring and screwing in the thumb screw. Then re-mike the metering screw for the new load.
Of course you can add a different cylinder and mike while it's separated too, but I expect you'll figure out soon enough, that one more Uniflow (or use the Hornady you have with their case-activated linkage) set up with the "other" size cylinder is REALLY handy! and worth the cost.
Now one thing is over simplified.....the powder die screwed to the press. The depth you screw that in can vary depending on caliber and PTX/drop tube...........which is why really efficient (or lazy) folks buy powder dies (with the lower linkage clamp)
and mount them (permanently?) to the die plate in company with the sizer, seater, crimper for a particular caliber. That's way cheaper than buying a Uniflow for each....Dillon style.
Unfortunately RCBS ones have to be ordered in the parts dept. Hornady ones......well Midway sells those! (pictured below)
http://www.midwayusa.com/s?userSearchQuery=hornady+quick+change
Here's a couple more links on the subject:
Hornady case-activated linkage:
http://www.midwayusa.com/s?userSearchQuery=hornady+case-activated
RCBS case-activated linkage:
http://www.midwayusa.com/product/802477/rcbs-uniflow-powder-measure-case-activated-linkage-kit
Don't hesitate to ask questions about the press.....we are happy to share what we know or show you the way to someone smarter and more experienced.