Cooey 60 fails to feed all but last round

MDF

MDF

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Hello --

I have a Cooey 60 that's just about ready for "As-Is Parts Gun" status on EE, but I really do not want to give up on it.

When I bought it, the mechanicals were gummed up with really thick grease. The thing would cycle just fine with all the grease. After cleaning and light oiling, all but the last dummy round will feed properly. When I open the bolt, each round is ejected by the lifter rather than pushed up into the extractors. On the last round, the round is pushed into the extractors just fine.

I took the stock off and cycled things slowly to see what might be going on. It looks like the rounds are being fed at a steep angle and are not engaging the extractor claws. The nose of the very last round is supported by the follower and it seems to feed into the extractor claws at just the right angle -- it snaps into place as expected. I sort of wonder if the thick bed of grease in the ramp at the end of the magazine tube was keeping the angle right for the rounds to feed.

Any thoughts on what might need to be adjusted here? Is using a bunch of putty-like grease a known Bubba / Fudd thing to do to keep old rifles working?

The rifle itself is in interesting shape. Some former owner sanded off the bluing and (I guess) tried for an in-the-white sort of finish. The outside of the barrel is pretty pitted, but I think it will clean up. The inside of the bore looks to be completely fine, on the other hand. I'm thinking of KG Gun Kote for the finish as I don't think I'll be able to get rid of all of the pits. The receiver is drilled and tapped for a side-mount scope and I have the Weaver base and side mount rings on hand -- I tried a quick assembly and it looks like it will work fine. I have a vintage Weaver K 2.5 in the mail that should look really good on the thing. I still hold out hope for the old Cooey and would really like to fix the feed problem.

Thanks -- MDF
 
camster said:
I'd guess the adjustment of the nut that retains the magtube(shared with the take-down stud). Doesn't take too much of a change here to make 'em fussy.
Click to expand...

I was wondering about that, too. What's the proper adjustment for that nut? I set the threaded rod so that it just touches the magazine tube, then back it off so that's it's no longer touching the tube, and then tighten the lock nut. When the rifle sits upside down, there is just a small gap between the threaded rod and the tube. When the rifle sits upright, the tube rubs on the rod, but there's no binding and it does not make the action any harder to work. That's how I do my other Cooey 60 as well and that one works fine.

Generally, how are people setting that threaded rod? Looser? Tighter?

Thanks -- MDF
 
Had the same issue with the feed lever not lifting shell high enough into the extractor. Wouldn't allow a round to enter the chamber. I tried to adjust everything couldn't get it to line up. The only way I could resolve it was by slightly bending the fork that serves as a pivot for the lifter. Had to play with it to get it just in the right spot as too much will not allow the cartridge under neath the lifter when the bolt is closed.

Works good now though.
 
Hello All --

Just wanted to let you know that I got this resolved. Two things needed adjustment: compared to my well-behaved 60, the extractor on the wonky Cooey was really, really loose. With some careful tapping with a brass punch, I was able to tighten things up a bit, making the extractor sit in its slot in the bold a little more firmly. The second -- and perhaps main problem -- was with the dummy rounds themselves. These A-Zoom 22 LR dummies have holes in their bases, almost as if they were designed to have a rubber insert as a dummy primer.

See this example: http://shop2.gzanders.com/media/cat...f78eab33525d08d6e5fb8d27136e95/L/1/L12208.jpg

Turns out that the noses of the rounds were poking into these holes, causing the noses to be held down while the lifter pushed up on the back end of the round. The angle of the round would end up being too steep and the round would get ejected rather than pushed into the extractor claws.

I dug through my bits bucket and found some good old-fashioned solid dummies: they fed flawlessly. I'm much relieved, as getting this resolved really saves this rifle for me.

I still cannot figure out though how the dummy rounds with the holes worked properly when the feed mechanism was caked with putty-like grease...

In any case, problem solved. And the dummies with the unneeded primer pocket holes are getting filled with some epoxy as I type this.

Thanks -- MDF
 
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