1. Detach the screws of the machine; there are 8 screws in total, 4 in rake face and 4 at the back (refer to red circles)
2. Lift the upper part and put aside.
3. Turn off the four screws on both sides(see red circles).
4. Take away the solid retaining plates.
5. Connect R25 and R26 by soldering iron; do note not to connect other bipods
