it is possible to remove the motherboard without removing the fan and heat sink.
just remove the red screw on step 14.
then you can skip step 15 and 17
and take of the motherboard at step 25 with fan and heat sink attached.
after that there is no need for thermal paste.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.