How To Open DeepCool Gamma Archer CPU Cooler Bracket ?

[Revolution]

Hi,
Please help!
One of my friend want to change his CPU cooler.
Currently he is using Gamma Archer cooler with his Intel C2D CPU.
Please tell me how to to open the CPU cooler bracket from the motherboard.
I know how to open cooler but not that cooler bracket.
Any manual or video can be help full too.
Thanks!

 

[Ben90]

Do this in reverse.