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how to change fan direction?

post #1 of 16
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The fan on my hyper 212+ has a mount to the heat sink and I don't think I can get it off, but it is currently sticking out and blocking my ram slots, so I was thinking of moving it to the other side and have it pull air instead. problem is idk how to change the fan direction because I can't seem to take off the mounting thing that lets it be attached to the heat sink
   
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post #2 of 16
How about turning the 212+ around?...
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post #3 of 16
Quote:
Originally Posted by Plex;13391213 
How about turning the 212+ around?...

Either that, or reverse the polarity. This would just require rewiring.

Some will work, but some won't. If it's just a simple DC motor, it will. The easier option is still rotating the heatsink since these fan blades are designed to spin in one direction.
Edited by esocid - 5/5/11 at 8:49am
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post #4 of 16
Even if you did, a fan won't work nearly as well backwards as it does forwards. Why don't you think it can come off?
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post #5 of 16
Quote:
Originally Posted by esocid;13391243 
Either that, or reverse the polarity. This would just require rewiring.

Yeah, but some (most) fans have tilted blades and are most effective when spinning in a certain direction. I can't recall with the 212+.

In any case, the you CAN just take off the fan. Just pull back the clip brackets and slip it out. Might take a little bit of force.
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post #6 of 16
You can remove the fan from the 212. Just gently lift the tabs with a screw driver unscrew the mounts flip the fan and put the mounts on the other side of the fan and then put the fan on the other side of the 212.
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post #7 of 16
Remove the sticky feet on the mounting brackets, and uncover the screws. Then remove the screws and put them on the other side of the fan. Put the sticky feet back on, but a little away from the screws, so you can remove the brackets at will. I did this on my Hyper.

Don't even bother reversing polarity, that is never going to work. The fan that comes with the Hyper (and every single computer fan I've ever seen or taken apart) has compact circuitry that includes a transistor or diode. Either of those will flow one way, so swapping wires is going to do a whole lot of nothing. You can try it and see. Also, the fan included with the heatsink is a PWM design, so it would definitely have a transistor (or IC) inside.

The other option; buy another fan and use the second set of brackets that came with your heatsink.
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post #8 of 16
Pull it from the plastic tabs that fit into the cooler. then un-screw the fan and turn it around. or...

Turn the 212+ around.
Edited by CloudCR - 5/5/11 at 8:58am
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post #9 of 16
Quote:
Originally Posted by CloudCR;13391331 
Pull it from the plastic parts that fit into the cooler. then un-screw the fan and turn it around. or...

Turn the 212+ around.

If airflow is flowing from front to rear, as is normally the case, then turning around the heatsink will not change the fan from push to pull, but may cause an airflow issue in the case.
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post #10 of 16
Quote:
Originally Posted by UnexplodedCow;13391377 
If airflow is flowing from front to rear, as is normally the case, then turning around the heatsink will not change the fan from push to pull, but may cause an airflow issue in the case.

Yeah, I made the original suggestion with that in mind. Assuming that he could just as easily flip the rear chassis fan to adjust, then make up for the intake/exhaust elsewhere.

In any case, the fact still remains that the fan is easily removed from the 212+. doh.gif
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