Hi Steve,
It's pretty simple, see this diagram here:
Use lots of WD40 on the bolts prior to start removing them. Most likely the one holding the plastic shields will snap, don't worry about them, you don't need time put them back or you might have lost them already.
Did you buy the bolts and nuts as well for the W brace and stay brackets? Quite possible these will also snap. Go easy on them so you don't have the drill them out.