Pampurrs
Pampurrs
42 posts
Joined September 2016

Persistent problems with primer system

I've had my SDB for about two months now and really do like it. But I must say that the automatic primer system leaves much to be desired. I have yet to have a loading session during which I didn't have to stop and remove the primer system at least once because of some sort of problem.

Today, I loaded the tube with 100 small pistol primers and here is a recap of my experience:

Removed the system to clear up jammed primers, three times.
Three (3) rounds with the primer seated sideways.
One (1) round with the primer seated upside down.

I know I'm using the correct tube (Blue tip) and I know I'm using the correct pickup tube (Yellow tip)

I'm picking up ALL the primers with the shiny side up and pouring them into the orifice. Things seem to go downhill from there.

Any advice?

Thanks
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cody4legs
cody4legs
3 posts
Joined October 2016

RE: Persistent problems with primer system

Re: the laughing telephone support person . . . I agree that is hardly what could be classified as competent, customer friendly service. My guess is that you may have gotten that person at a bad time/day (no excuse). I would also guess that if the LTSP shows continuing customer service problems, he should start looking for another job! Mike D. (rest in peace) would never have put up with an employee like that for long.
Hope your solution is the answer to your problem. Have a blessed Thanksgiving. Enjoy safe and happy loading on your SDB!
dillon
Administrator
dillon
3,064 posts
Joined July 2007

RE: Persistent problems with primer system

Check to see if the primer cup and punch are fully seated in the primer slide:

• Remove the primer slide from the primer feed.
• Using calipers, measure from the underside of the primer slide to the top of the cup. It should be 1.410", plus or minus .003".
• If necessary, use a clamp or vise to reseat the primer cup and punch, and hold them down in place while you tighten the setscrew.
Next lets check the shellplate and primer punch alignment:
• Put light pressure on the shellplate with your thumb, and cycle the handle enough to advance the shellplate. See if the shellplate rotates far enough for the detent ball underneath it to locate the shellplate properly.
• If this measurement is okay, pull the handle down on the Square Deal B.

• Underneath the primer slide, just above the coil spring, there is a set screw. Turn this setscrew in or out, in 1/4 turn increments, to align the primer cup to come up through the shellplate.

Next check to see if the slide binds without primers in the tube.
• If no, then either the magazine tip is damaged, or the primer cup & punch are sitting too high in the primer slide.

• If yes, check for stray primers in the escape notch in the primer slide bar.
scotzman
scotzman
10 posts
Joined April 2016

RE: Persistent problems with primer system

Dillon - done all that, sent SDB back to you for cleaning/service and still have the same issue.
Now what? Live with issues and change blue orifice every 500 rounds?
dillon
Administrator
dillon
3,064 posts
Joined July 2007

RE: Persistent problems with primer system

scotzman,
Please send me an email and equest a replacement primer feed system.
send it to sales@dillonprecision.com , remind me of this thread, and include your name and address.
Pampurrs
Pampurrs
42 posts
Joined September 2016

RE: Persistent problems with primer system

I have confirmed that the root of the primer feed problem was that from the very beginning when I first got this press, I had been using the small pickup tube with the large dispensing tip on it. Apparently, the large dispensing tip is large enough to allow the small primers to tumble about as they are being fed into the primer tube. This is what has been causing the primer system to jam up, and primers being fed upside down and sideways.

I discovered this by measuring the ID of the various dispensing tips that came with the press and found that the turquoise dispensing tip is smaller than the clear dispensing tip that was on the small pickup tube when I received the press. It would have been nice if these color codes had been mentioned somewhere in the documentation or on the video that I purchased.

I loaded 250 rounds today with no primer system problems, so I declare this problem solved.
LeftyTSGC
LeftyTSGC
26 posts
Joined February 2013

RE: Persistent problems with primer system

I have had primer problems in the past, here are some areas to look at or solutions to use.

After picking up primers and you turn the tube upside down, insert the plastic drop rod, when you remove the safety pin, the weight of the plastic rod will help push the primers into the feed tube.

Inside the feed tube of the primer system, first make sure you have the correct tube, small or large AND check to make sure that no part of the end of the plastic piece, looks like a clamp, is broke. One issue I had was that i did not notice a small piece of plastic was just hanging but not providing support to the dropping primer to seat correctly into the cup

Last check to make sure the your primer feed cup retracts all the way so that it is underneath the drop tube. The allen screw is what you use to adjust how far back the cup sits.

doing these things fixed my problems. Yes the plastic pieces do break over time, they are plastic.

hope this helps

Lefty TSGC
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