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Cuplex Kryos Next mounting pressure on AM4?

 
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post #1 of 5 (permalink) Old 09-04-2019, 09:45 AM - Thread Starter
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Cuplex Kryos Next mounting pressure on AM4?

Hi guys, trying to mount my first ever water block, a Cuplex Kryos Next, and not sure I'm doing it right. Instructions are to get each screw barely started then tighten each a little at a time. I'm using it on an AM4 mount which apparently just uses the factory backplate, the block, springs in each hole, and the screws. Those springs are really stiff so it was difficult to even get the screws started. Because of that I was getting worried about mounting pressure. Instructions say to tighten a bit at a time (like a standard star pattern). Does anyone know is this intended to be until hand tight, or something less than that? It was very hard to turn the screws with that included hex key (no I wasn't crossthreaded) right from the start like the screws almost aren't long enough, though I briefly tried a screwdriver with a hex bit was was really easy. I wasn't sure if it was ok to use something like that which can give a lot more torque than a hex key. Any advice would be appreciated. Hoping to finish this tonight, been down since Sunday when I started this project (had to wait two days on more fittings).

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post #2 of 5 (permalink) Old 09-05-2019, 10:02 AM - Thread Starter
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Well, I played with it a bit more and I think part of my problem was the stiff springs and trying to tighten with the little hex key and sweaty hands. I pulled the block off after initially installing and last night I put it back on and it was relatively easy to tighten the screws till they stopped without feeling like they were too tight. Currently in a power off leak test so we'll find out tonight I guess if I messed up putting it on though.

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post #3 of 5 (permalink) Old 09-05-2019, 12:39 PM
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Quote: Originally Posted by flyinion View Post
stiff springs
This can vary (slightly) from batch to batch, as i'd assume AC doesn't make them inhouse; variances, an ever-present factor in all this.
However, unless you have a mounting solution where the exact torque required is both specified to you and controllable (by you)? Stiffer is better than loose; you want them to maintain that tension, even after multiple uses; and i'd remind here that the nature of springs is such that the longer they remain compressed, the higher the chances they will be unable to expand back to their original state once released (meaning a problematic mounting). Stiffness is a factor in this.

TLDR, if it works, all good.

For the future, this is something you worry about only when the mounting mechanism as a whole isn't made so as to prevent over-tightening; but if you get to that point, you bought the wrong stuff anyway, so..
* And buy some tools. Seriously. Sweaty hands, i don't know, feels wrong but i went at it anyway signifies a wrong approach/mentality from the getgo; buy some good tools now, before you snap something you're unable to repair or salvage. One time purchase, think of it as investing; which you are.

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Last edited by Aenra; 09-05-2019 at 12:43 PM.
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post #4 of 5 (permalink) Old 09-05-2019, 01:16 PM - Thread Starter
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Cuplex Kryos Next mounting pressure on AM4?

Quote: Originally Posted by Aenra View Post
This can vary (slightly) from batch to batch, as i'd assume AC doesn't make them inhouse; variances, an ever-present factor in all this.
However, unless you have a mounting solution where the exact torque required is both specified to you and controllable (by you)? Stiffer is better than loose; you want them to maintain that tension, even after multiple uses; and i'd remind here that the nature of springs is such that the longer they remain compressed, the higher the chances they will be unable to expand back to their original state once released (meaning a problematic mounting). Stiffness is a factor in this.

TLDR, if it works, all good.

For the future, this is something you worry about only when the mounting mechanism as a whole isn't made so as to prevent over-tightening; but if you get to that point, you bought the wrong stuff anyway, so..
* And buy some tools. Seriously. Sweaty hands, i don't know, feels wrong but i went at it anyway signifies a wrong approach/mentality from the getgo; buy some good tools now, before you snap something you're unable to repair or salvage. One time purchase, think of it as investing; which you are.




I had a bit driver with hex heads but wasn't clear if it could provide too much torque over the hex key so I was worried about damaging the block or socket or board or some combo. I did end up using it in combo with the hex key.


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post #5 of 5 (permalink) Old 09-05-2019, 02:17 PM
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I broke a waterblock top due to over tightening, with thumb screws no tools. I didn't think it all that tight.



I don't know of any torque specs for these. I try to twist the block (or cooler) back and forth, and tighten until it gets a little difficult to twist. If I am still in doubt I pull it off and verify the paste got spread properly.

Quote:I'm gonna throw in my 2 cents. Not because I'm an expert but because I have a keyboard.


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