woodman522
woodman522
20 posts
Joined December 2012

Small Primer Problem

When I am loading small primers I have been having problems getting a fresh primer. I cleaned the primer tube using a piece of cloth and the follower rod. Then I changed the blue tip on the end. It is very hit and miss, however I found that when the shell is in the top crimp position if I wiggle the back of the primer slide it appears to work as normal. Have I got something out of adjustment? Otherwise everything appears to be fine. I have loaded about 6000 rounds of both small and large primers. I don't appear to have a problem with the large primers. I am using CCI small pistol primer.

Thank you.
savage204
savage204
3 posts
Joined April 2012

RE: Small Primer Problem

I've been using CCI small rifle primers for years and never had a problem with feeding. What I have had is when using the pic up tube and fill with 100 or less primers when I turn it over to fill the press some get turned upside down or turned side ways. Still can't figure that one out. Sucks when you seat the primer and its sideways,,,can't get the shell out. Try making sure the magazine tube is fitted properly in the slot at the bottom of the tube.
Good luck Woody.

Savage
dillon
Administrator
dillon
3,222 posts
Joined July 2007

RE: Small Primer Problem

First, measure the distance from the underside of the primer slide to the top of the cup. It should measure 1.215-1.220". If it is too tall, use a clamp or vise to reseat it, and secure it while you retighten the set screw.

 Next, be sure the op-rod moves freely in the bracket clamped around the primer shield. If necessary, scrub the short end of the op-rod where it enters the bracket, and lightly grease it to prevent galling.

The front, lower edge of the bracket should almost touch the frame of the machine.  A clearance of .002-.004" is ideal.

Check the two small screws that secure the roller bracket assembly #14280 to the underside of the platform. If they are loose, tighten them.

dillon999
dillon999
35 posts
Joined January 2012

RE: Small Primer Problem

The good news is that your large primer system works. I have been loading for about 3 years, 1 hundred rounds of 9 and 45 per week. Always had misses on primer pickup for both large and small Winchester primers, say two misses per 100. The switch between calipers keeps the area clean each week as I always clean when changing.
Done all the measurements mentioned, used alcohol to clean primer slides, replaced shim under slide, replaced operating rod, etc. None of this fixed the failure so I look at each pull to make sure the primer is there.
If you look at this forum, you will see a number of posts on primer pickup failures. The problem seems to be the failure of the slide to fully retract, if I get a failure and pull back on the slide for awhile, it works again. I found a YouTube video that makes sense. The guy felt that the primer slide is prone to pivot slightly as it moves back to pickup a primer. The spring below the slide and the movement past center point on the primer slide causes a slight pivot. This man created a slightly longer shim as all was well for him.
I also find that the punch out of the old primer allows some of that old primer crap to fall on the primer shim. I check each pull because I hate the powder on the next station.