This has the be the most commonly rehashed topic in the history of Bike Forums.
Short answer:
- get a chain breaker (like the commonly available Park tool
http://www.performancebike.com/shop/...tegory_ID=4204),
- push out a pin,
- remove chain and drop in a jar with mineral spirits (paint thinner) or Simple Green if you are funny about environmental impact,
- shake up until chain looks clean (two douses may be necessary),
- dump used solvent (if using mineral spirits) in an old two liter plastic soda bottle for reuse until later (sediment will settle to bottom - pour off clean stuff on top next time you need to clean chain), let chain dry,
- reinstall chain using SRAM/Wipperman master-link
http://www.performancebike.com/shop/...tegory_ID=5134
- lube chain using your favorite brand.
- Done.
Make this a sticky and save us from having to read this same question 20 times per week. 