Replacing G4 Power Supply Fans

[John Erdman]

I'm working with a 400MHz Sawtooth AGP G4. Unfortunately budget 
constraints won't allow me to upgrade to the latest and greatest yet...

Trouble I'm having is with the power supply. The one in it now is the 
third I've installed. Two earlier ones died from lightning induced 
power surges and the other one died for unknown reasons. They're 
certainly not very bullet proof are they?.  Anyhow the latest one 
recently started making a loud noise which I've traced to the fan in 
the power supply. It appears that the fan motor bearings are showing 
audible signs of failure.

As the rebuilt power supplies are fairly pricey I'd like to fix this 
before it fails completely.

	
Two questions for the group:

1) Is the power supply fan something I can replace myself? ( I am 
dextrous and have some experience working in the guts of computers)

2) Any suggestions for a source of an appropriate power supply fan?

Thanks
John