Canned air is cheap...picture

Hi All - Just a footnote for you all. It is okay to blow out the muck and hoover but remember that you can destroy a fan by spinning it the wrong way. I always stick a biro through the blade first to stop it spinning.

Doug
Thanks for that info. Never realized that it mattered which way the fan was spinning.

FW
 
Thanks for that info. Never realized that it mattered which way the fan was spinning.

FW


I forgot to mention that too. When I use the air compressor, I put small pencils in the fans to keep them from spinning. This keeps the bushings from being stripped.

Just remember to take them out afterwards! ;)

John
 
pencils

I forgot to mention that too. When I use the air compressor, I put small pencils in the fans to keep them from spinning. This keeps the bushings from being stripped.

Just remember to take them out afterwards! ;)

John

Yes.... This is always a good way to sharpen your pencils too....:hehe:
 
Before upgrading the case fans in my PC, I did some research which indicated dust build up tends to occur in modern cases with both intake and outake fans. That is to say, the intake fans are pumping in more air than the exhaust fans are removing resulting in positive pressure. By ensuring the outake air volume (including the CPU fan) exceeds the intake - negative pressure - the flow is improved with less buffeting and eddying which can lead to dust deposits and less cooling efficiency.

I applied this principle during the rebuild and yes, obviously there is some dust but not excessive and the occasional temperature check with Speedfan etc indicates everything is nice and cool.
 
Something I've done to cut down on dust in my case is to put a Swifter floor sheet behind the intake fan. The intake pulls the air in thru the sheet. That sheet acts like a dust magnet and gets most of the dust before it even makes it into the case. Works like a champ and only costs about $3.00 a box for 20 sheets.
 
Air filters...

Our home HVAC unit uses intake filters that are sticky on one side. They are cut from bulk rolls and placed behind the hinged covers on the return air ducts. I'm sure these would be available in most countries at any heating - air conditioning supplier or serviceman. They would probably give you enough to cover a computer fan...just useless scrap pieces for them.:D
 
fwassner,
Euphod's just kidding.;)
Good thing I vacuum it out, did it a day after reading this and discovered I forgot to plug in my CPU fan from last time! And I do have to take out one fan on the rear plus the video card to clean certain areas.
 
Filters

Hi all - A good filter is to tape a square cut from an old pair of tights (spare me the kinky stuff - okay!) and tape it over the fan inlet such as PSU.

Peel it off and clean or replace as required. Not a 100% but it makes a difference.


Doug
 
Our home HVAC unit uses intake filters that are sticky on one side. They are cut from bulk rolls and placed behind the hinged covers on the return air ducts

You'll probably find that they are coated with oil, hence why they are sticky. Oil is able to suck up crap and actually keep it there (and I believe, does a better job at filtering) especially small particulars, but you need to change the filters more often, in some cases, 10 times more often.
 
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