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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Wed Jun 10, 2020 3:56 pm 
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Joined: Sun Jun 24, 2018 2:51 pm
Posts: 1367
Location: S.E. Wisconsin
weeple2000 wrote:
The under side of the crimp station looks recessed. Like there is a washer missing. Is that supposed to be like that?

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In this picture it appears you are missing part # 25, a lock nut for the crimp die. A hardware store is cheaper then MEC.

Check the exploded view here

https://www.mecoutdoors.com/600-jr-mark-5-parts

Steve



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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Wed Jun 10, 2020 4:35 pm 
Field Grade

Joined: Fri Dec 27, 2019 7:22 pm
Posts: 98
Location: NE South Dakota
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Older metal version of crimp die but basics are the same


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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Thu Jun 11, 2020 11:53 pm 
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Joined: Sun Apr 19, 2020 9:37 pm
Posts: 6
Sorry for the late reply. I appreciate everyone's help. Someone suggested that I contact MEC. Their reply in hindsight seems obvious. They said that one of the first two stations was probably too low. I must have been unscrewing the sizing die when I took the shells off of it. It was loose. So every time I loaded a shell, my press stroke got a bit shorter. I checked it tonight after I came home from trap, sure enough it was unscrewed quite a bit.

I have a fair amount of reloading experience with pistol and rifle, over 5,000 rounds. I have figured out most of the quirks with those presses. I am glad that I am starting with the 600 Jr for shotshell. I started with a progressive for pistol. It was very frustrating to learn on. It only takes so long to have every imaginable problem. So it's just a matter of sticking with it and figuring out the answers.

I am going to have to go back and reset my crimp dies from scratch now.


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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Fri Jun 12, 2020 6:55 am 
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Joined: Sun Jun 24, 2018 2:51 pm
Posts: 1367
Location: S.E. Wisconsin
weeple2000 wrote:
. I must have been unscrewing the sizing die when I took the shells off of it. It was loose.


Put a drop or two of finger nail polish on the threads when you screw it back together, poor mans lock-tite.

weeple2000 wrote:
I am going to have to go back and reset my crimp dies from scratch now.


Dont forget the lock nut in the picture your unit appears to be missing.

southdakbearfan wrote:
Image

Older metal version of crimp die but basics are the same



Steve

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The More Times You Pull The Trigger The More Fun You Are Having.
I repair MEC presses. PM me.
Used to be Steve Y


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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Fri Jun 12, 2020 10:19 am 
Field Grade

Joined: Thu Oct 04, 2018 4:22 am
Posts: 67
In the photo, I don't see a nut on the threaded center crimp punch UNDER the die head. My 600 JRs all have a nut there. - Ed


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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Thu Jun 18, 2020 11:58 am 
Utility Grade

Joined: Fri Oct 16, 2015 8:45 am
Posts: 1
Maybe this will help..I had to play with the adjustments quite awhile to get a satisfactory crimp..

Troubleshooting Videos
https://www.youtube.com/embed/apCrfKHUDGk

MEC Adjustment for better crimps
https://www.ballisticproducts.com/bpi/a ... mecadj.htm


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 Post subject: Re: MEC 600 Jr quirks
PostPosted: Wed Jun 24, 2020 9:29 am 
Crown Grade

Joined: Mon Mar 28, 2005 11:25 pm
Posts: 2150
Location: Attica, Mi
If you look at both photos there is a nut under and above the turret. If they're tightened there will be no movement of the start crimp, only different length shells [ if he's pulling the handle all the way down each stroke ]. Now, looking a little closer, it appears to me the jam nut for the plunger on the last station is on the top of the turret. Maybe someone with better vision could look at it, or the OP could tell us where it's at.



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