Re: Fans
- From: Chris Whelan <cawhelan@xxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 05 Dec 2008 15:16:15 GMT
On Fri, 05 Dec 2008 14:45:36 +0000, Daniel James wrote:
In article news:<NJb*DkGts@xxxxxxxxxxxxxxxxxxxxxxxxxxx>, Theo Markettos
wrote:
What's the hassle in doing the PSU fan?
PSUs may vary, but in general they're not made to be serviced, so
servicing isn't easy ... well, it's not especially difficult but it's an
order of magnitude worse than most PC dis/assembly jobs.
- The case may be held together with rivets rather than screws. You
/can/ drill them out and refix with self-tapping screws, but it's a
hassle.
I've never seen one that is, including such pieces of crap as Tiny, and
Bestec PSU's.
- The cases tend to have sharp edges inside, as they're not intended to
be handled.
Just like the insides of cheap PC's then.
- The braids of wires inside the PSU will be held to the case with cable
ties, which you'll have to cut and replace.
Just like the insides of most PC's then.
- You'll probably need to strip the PSU down quite a long way to get to
the fan fixings and connections. Further than you'd hope or expect.
On the vast majority, you undo 4 screws holding the case together, and
separate the 2 halves. That's about it.
- The fan will be soldered not plugged-in. You may find it easier to cut
the leads close to the old fan and splice the new leads on than to
unsolder the old wires from the PCB and solder the new ones on.
I've seen PSU fans that plug in, although the plug is not always the same
as a MB one.
The way I find easiest is to carefully remove the fan label, and re-
solder the original wires to the new fan.
It took me the best part of an hour to strip down and reassemble the PSU
whose fan I replaced (which, fortunately, was not riveted) and --
careful though I was -- I had little cuts and scratches all over my
hands at the end. When you can buy a good quality new PSU for £30-£40
it's just not worth the pain.
If I couldn't change a PSU fan in half that time, without the potential
trip to casualty, I'd book myself in to the old folk's home. And I'm
nearly there already!
The only potential (pun intended) reason to advise against doing this is
the risk of an electric shock. As a DIY job for someone who is
comfortable swapping bits in and out of PC's, it's trivial.
Chris
--
Remove prejudice to reply.
.
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