Viscous fan clutch thread:
http://www.peachparts.com/shopforum/showthread.php?t=107383
Viscous fan clutch:
http://home.comcast.net/~martin.carney/20-3120.pdf
Fan shroud:
http://home.comcast.net/~martin.carney/20-3400.pdf
That may not at all be necessary though. Best to loosen belt at tensioner and see if you can work around the fan. Just pay close attention to belt routing or leave it mostly on other pulleys as it may not be intuitive.