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How do you mount the rad to top of the case with fan?

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I have h150i pro and its so hard to mount it on the top of the case with fan on coz the fan keep moving when I tried to screw them. What your tip?
 
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Some cases have a removable tray for that sort of thing. are you mounting it like case > fan > rad? Or Case > rad > fan?
 
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Ummm, follow the radiator mounting instructions that came with your case.

Not all cases are designed to support radiators.
 

Solaris17

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In this cases case (lol) I think you are supposed to take the fans out, mount the rad then mount fans to rad.
 
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Long screws. I don't remember it the screws came with the rad or fans. I want to say they came with the rad because they are just long to catch on the rad and a thread in a couple times and go nowhere near the fine. When I get home I'll take a pic if I remember.
 
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Case -fan-rad
 
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(from the top outside) Fan-case-rad.
(Obviously) with the side open I hold the rad from the bottom and put a long screw through the fan and case to the rad.. Only the first screw is hard... After that it's all easy.

I think with your case it's case-rad-fan.
Easy way to do that is with all components out of the case...
 
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It takes a steady hand
 
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I want to suck cool air from the top to the rad, thats why Case- fan-rad but other 2 fans keep sliding when I tried to tight the first screw
 
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I dont know how your case works, but if in doubt fix the fans with 2 screws each in opposing corners like you would mount them normally without the rad (screw in from the top). Then add the radiator by using the radiator screws on the free corners of the fans, then undo the other ones and use your radiator screws on there too. Just be careful to always use the correct length to avoid damage on the fins.
 
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I want to suck cool air from the top to the rad, thats why Case- fan-rad but other 2 fans keep sliding when I tried to tight the first screw
Hot air rises, if you want to suck cool air in, do it from the front not the top. 99% fan (or fan+rad) configurations work best using top as exhaust not intake.

(from the top outside) Fan-case-rad.
(Obviously) with the side open I hold the rad from the bottom and put a long screw through the fan and case to the rad.. Only the first screw is hard... After that it's all easy.

I think with your case it's case-rad-fan.
Easy way to do that is with all components out of the case...
I agree with this. A lot of time there isnt enough clearance to mount the fans to the rad and then to the case from the outside or inside. Hold the radiator underneath inside the case and mount the fans from the outside. If you need a 3rd hand ask someone for help, dont be shy!

Typically, the screws that come with the AIO/CLC are long enough to do this without trouble, my cooler came with an extra set of screws slightly longer (about 5mm longer).

[I keep a pic to my case on my spec sheet]
 
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134156


Mount the radiator to the case with the small screws. Mount the fans to the radiator with the long screws. I don't know what you mean by the fans moving.
 

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I dont know how your case works, but if in doubt fix the fans with 2 screws each in opposing corners like you would mount them normally without the rad (screw in from the top). Then add the radiator by using the radiator screws on the free corners of the fans, then undo the other ones and use your radiator screws on there too. Just be careful to always use the correct length to avoid damage on the fins.
Been installing AIOs since they came on the market, and while I never got around to that method, it seems so brilliantly logical now to do that!
 
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What about using washer to make it sit right
 
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