Fix the Hornady AP Shell Plate Wobble
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- เผยแพร่เมื่อ 9 ต.ค. 2020
- If you load pistol rounds on the Hornady AP and have the brass scattering powder all over your shell plate or shaking unseated bullets loose - this simple fix is for you.
All that you need to do is remove the problem shell plate, turn it over and adjust the height of the two seated bearings on which it rides and indexes.
You do this with a 5/32" punch and a hammer. Place the punch on the bearing and you will feel it retract a bit and then gently tap it down to reduce the seating depth - very, very little. You want it so the bearing is visibly above the ring but just enough for rolling and indexing.
If you happen to go too far just turn the shell plate over and tap it back down from the top.
Remember to use care and good common sense. - แนวปฏิบัติและการใช้ชีวิต
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Man!!! You’re right, it’s been so aggravating 😡🤬😤, before you know there’s powder everywhere. Thank you so much do this, great job!!! Best Hornady reloading advice ever!!!
Great idea. this has been driving me crazy. I've put 12,000 rounds through this press and can not wait to test this. thank you
Good luck!
This fix does work. I've done it for several cartridges. But there is a tradeoff. You do introduce more "play" in the shell plate at the indexing locations. It tends to make the press then rely on self aligning as the cases are raised into the dies which also seems to work. The design of this press has several flaws which unfortunately are left to the user to remedy. Thanks for sharing.
Thank you, thank you thank you. You solved a problem of my having power all over the plate and going underneath it and causing even more problems I was about to send the auto press back to Hornady for repairs.
Oh bless you!! Discovered this was necessary during the first dozen cartridges being loaded.
Just got my press this week and like you all was driving my crazy trying to keep the powder in and my bullets falling off because of this issue. Thanks for sharing I will fix this today.
Thanks for the vid. Here's a short story. I just retired a Hornady Pro7 I bought new in 1985. I've loaded possibly tens of thousands of cast lead swc mid range .44 mag rounds with it, but lemme tell yuh it was a battle at every station over the decades. A couple months ago after farting around adjusting it yet again for a few hours I finally had enough. So--- I unbolted him and officially put Big Red into retirement. Not interested in the Hornady trade in for a lock n load as the press -although improved- is essentially the same idouble pawl drive design with detents you have shown in this vid. So back to my 1980 RCBS reloader special. Slow but sure and ZERO frustration. Thinking about a Redding T7 like my son uses.
I use the RCBS Reloader Special and the RCBS Rock Chucker just as much. Very good at what they do.
great fix wow can't believe after all I went through to fix that and it was that easy, I actually replaced many parts and stopped using the press because of that issue thank man.many calls to Hornady but they never had the fix
Awesome. Glad it worked out for you and thanks for sharing.
Thank you!!! I just bought the AP and added it to my Iron Press. I have been fighting this exact issue for a few days now and thought it was just going to be an issue with the brass size. I appreciate it!
Awesome. Glad it worked out for you.
Very clear and helpful. Nice camera work too. Thanks!
I used a similar fix, by just slightly chamfering the detents. Lets the bearing ride into the detent smoothly without jumping, and as long as you don’t chamfer to deep, still indexes with no extra play.
This would probably be a better fix than reducing the travel clearance as it indexes, which punching the inserts back in will certainly do
Same frustration. Your fix worked for me. 1 less thing to frustrate me. Thanks again.
Good to hear.
You are adjusting your shell plate advancement pawl position to the shell plate detent position the hard way by doing the procedure shown. The LNL AP system is designed to easily be adjusted with hex button head screws at each pawl near the bottom of the ram. If the pawl is out of position a bit, the shell plate either jumps into the detent after the pawl goes by a bit too short or the shell plate jumps backward into the detent after the pawl pushes it a bit too far. Both are easily adjusted. If you are having other issues with jerky shell plate movement, lightly lubricate where the shell plate arbor passes through the large base under the shell plate. The OEM lube at that location can become oxidized over time and cause stiff movement. The shell plate should rotate very easily since all it does is move the brass....the heavy base under the shell plate does all of the sizing and seating work.
10mm auto with longshot and 200g xtp is really bad to spill powder but especially seating the bullet. Using just enough bell to get the bullet started, I've been having to hold on to the bullet until it's almost into the seater die slowing the process down.
This has made a huge improvement on an already great press!👍
That’s awesome! Thanks for sharing.
Thank you, I will watch for that, as I haven't started loading yet. I just assembled the Ammo Plant loader and need to go through the adjustments yet. Thanks again!
Thank you for this video. Excellent info. I'll be putting this to action on my L n L AP as soon as I get home from work.
hope it works out for you.
Thats what stopped me from reloading. Will definately try that later.
Learning a lot from your videos, sir. Very informative! I originally found this video researching the use of the 5 station AP by Hornady because I have the jumbo kit in its box in my garage. Then I went down a rabbit hole of shallow well videos and got some great ideas of how to get some water out to the garden/orchard or anywhere without an expensive cost! Forgot all about the ammo plant video that brought me there, haha!
Appreciate you.
Nice tip! Thank you!
Great video. Thanks for the tip.
Great tip 👍🏻, Thank you for the Video.
I filled the holes with grease and works fine
Nice job! Thank you!
Great fix!
Awesome tip!
looks like a nice fix
Perfect solution! thanks for the video (could be a little shorter though)
The manual says to put some grease on those ball detents, maybe that would prevent them from sticking.
Tried it but did not solve the jump.
Grease isn’t the issue. There are other fixes which will ease the ball detent into the sockets which require minor machining of the subplate. Adjusting the ball detent depth makes sense, and appears to maintain positive stop while preventing the snap and scatter issue.
Thank you
I was having some issues today and was looking at those indent balls wondering if I could run them out a little... Thanks for confirming!
A little goes a long way.
Worked for me too
I have had this press since around 2008 and it throws powder all over the place. Also with the primer cam “ fix” it now breaks the plastic too mount. Hornady said to use air to blow the spilled powder from the shell plate.
I haven't had any regular problems with the priming feed system - just the occasional misfeed. The extra powder being spilled contributes to it. The wobble fix simply pushes the roller bearings in a tiny bit so it will roll better coming out of the indentions. That's where the wobble comes from.
It seems like you might be able to do this with more control by using a C clamp. Put a flat piece of metal on top of the ball bearing, and close it 1/8-1/4 turn at a time until you get your intended result. That way you can't punch it too hard back and forth.
Good thinking - but - you're not pressing on the ball bearing but the casing around it - and it is inset into the plate. That is why you need a punch that fits into the mounting hole that allows you to press on this encasement material alone.
My problem is the retainer spring that goes around the shell plate. When the bullet is complete and it hits the drop location the spring bounces the bullet onto the face plate and not into the bucket.
That's pretty strange. Something mus be out of alignment.
Are you sure the retaining spring is riding in the sub plate groove properly? Its easy to get it back down into the sub plate.
Use your finger to push the spring down while rotating the shell plate. Also make sure the shell plate bolt is tight too.
Alot of people miss that. It has to set down into the groove of the sub plate to work right. Then it should unload the done cases just fine.
Another issue may be, you might need to get the drive hub shims from Hornady. Make sure the drive hub is shimmed properly. Call Hornady about it, they`ll send you the shims.
I like what you did, but after watching your video I was wondering if anybody decided to groove the bottom section with downward ramps to the detent as to allow the ball catch to slowly open into the stop? In other word the ball catch would hit a downward ramp and come to rest at the drill whole and again travel out of the stop on an outward ramp! Let me know what you think as it would allow for zero play when it hits its station.
Those holes are where the bearing comes to a stop. Ramping them may cause the plate to lose its locked position.
@@TigerCreekFarm Not if the ramps do not exceed in width what the diameters of the bores are. it would do a better job with no play once it comes to full index lockup.
There are videos where the ramping was done with reported success. I actually think it's the best fix but if you screw up you've permanently modified your press. I don't have the confidence to do it. Hornady should have designed the indexing holes with entering and exiting ramps. They know about this problem. Not sure why they don't have a better fix or redesign.
Maybe watch the torque on the shell plate hold down bolt ? I like your idea as well,
Had no luck with different torques.
Great information !!
Does your press have some play in the bolt that tightens the shell plate to the ram? When you get it tight to the press and grab the bolt does it have a very visible and noticeable play in it? Mine seems worse now than when I bought it.
No play. I’d check and make sure that you don’t have some powder or residue keeping it from seating all of the way down.
I realize this is an old post but you can shim the subplate assembly to make the shellholder fight tighter
Maybe you realize and was just in a hurry but you didn't install that case retainer spring properly.
I didn’t see the model sticker on the press is it on the back
It's the Lock n Load A/P - don't remember where the model sticker is located.
shimming the drive hub is a better way of stopping that shake.
AP = Auto Progressive
Hi from Bavaria!
a Hair rubber ring from your girlfriend instead of the Steel-ring-spring will fix this too.
3 issues i have with your video,
1) Hornady has shims for the drive hub to fix this problem. Those ball bearings are set to spec in the shell plate. DO NOT hammer/punch the bearings!
2) ALWAYS use a white lithium grease on the sub plate where the bearings ride. It will make the shell plate run much smoother and not wear the sub plate.
3) You didnt put the retaining spring back down into the sub plate groove. Continuing not doing that, WILL tear up the spring prematurely.
If your shell plate isnt shimmed properly using the shims, you will continue having problems later on. Possibly destroying the drive hub AND the sub plate. Call Hornady!
This is a bad idea. Bearings and sleeves don't respond well to being hammered. If the indexing bearings are really seated to deep then use a press or a clam to press them back!
I can't disagree with that - but - not everyone has a press.
These "bearings" are small, single ball bearings pressed into a surround of plastic.
You wouldn’t just add grease huh🤣🤣🤣🤣🤣🤣🤣
Helped for about 4 cycles.
Adding grease did not solve this problem. This a easy to do fix and will solve a couple of years of frustration that I have had with this press plus when powder is thrown out, the load will be short on powder.