That's right before we can mount the radiator we have to cut a hole in the case so air can pass thought the radiator for this we Googled "120mm fan template" and came up with the one you see below.  After one false start I finally got aligned where I wanted it and then it was just a simple step of outlining the opening with a Sharpie (non-erasable pen) and finally using a hammer and center punch to mark the exact opening for the mounting holes prior to drilling them.

120mm fan template		Fan opening
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As you can see I got lucky with my opening as it is a near perfect fit and should allow the maximum amount of air into the case or at least that which is allowable by the opening on the bezel.  The front of the bezel has a lift off panel giving you access to the front of the area in front of the radiator so what I did you help cut down on dirt and debris getting into the radiator was to add to fan filters to this opening.

Following the suggestion in the instruction manual to mount the radiator with the connector at the top as opposed to the bottom I installed it without a hitch into the opening I had made. Once again I was surprised that things lined-up so well.

fan ready for business		Fan/Rad Combo
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Prepping the Motherboard

Installation of the support posts was made easy since the motherboard was already out f the case so all I had to do was make sure that there is fiber washer in contact with the motherboard on both the top and bottom and a lock washer in contact with nut on the top side of the motherboard and you're pretty well good to go.

I practiced placing the water block on the processor 3 for times to see how good the coverage was with the thermal paste since I used the recommended method in the instruction manual. The method they describe is the one I almost always use of taking a small amount of thermal paste and centering it on the processor and letting the downward force of the processor spread it evenly across the surface of processor.

Posts are ready		Use a Nut Driver!
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The one other trick I learned was that when it came time to install the acorn nuts on top of the posts my chubby finger seemed to always get in the way until I brought out a nut driver and then they went on effortlessly.