FR1 Installation Instructions
Tools you'll need
Something to clean the CPU and heatsink. I use Kimwipes.
Isopropyl alcohol.
Scissors.
Hex screw driver.
Tweezers - optional.

Gather The Parts In Your Kit
1x FR1 Heatsink + Top Frame
1x FR1 Bottom Plate
1x Thermal pad
4x Hex screw
4x Hex nuts
4x Rubber Feet (not pictured)

Step 1
Clean the Raspberry Pi CPU and heatsink with isopropyl alcohol.
Step 2
Cut the thermal pad packaging.
Peel one side of the plastic.
Stick the thermal pad onto the CPU.
Peel the other side of the plastic.
Step 3
Press the hex nuts into the bottom plate.
Step 4
Put the Raspberry Pi onto the bottom plate. Align the corners. Then put the heatsink and top bracket on the Raspberry Pi. Align corners.
Step 5
Put in the screws in from the top through the top frame all the way down. You might need to wiggle the screws a little to slide it in all the way through.
Step 6
Screw down the screws. Don’t over tighten. Screw down until there is no gap between the top frame, Raspberry Pi board and bottom plate.
Step 7
Stick the rubber feet on to the bottom plate.
Done!
Inspect each side to make sure everything looks right. Done!