First, remove the inner rim from the cooker and then remove the 3 + screws on the side of the inner rim. Next, snap the rim cap back on and place the stainless steel frame, making sure the frame is fully seated and checking that the rim is placed correctly. Then, torque the 3 screws of the stainless steel frame. Next, thread the air top through the hole and place the fittings into the air hole posts in the order of 1234 and torque with an adjustable wrench. Finally, place the red air hole into the hole and then place the black round cap over the red air hole. Finally, cover the stainless steel cap sleeve to complete the disassembly.