article arrived defective customer service sent a new one as soon as possible the new one was ok and about questions. Difficult to install, plastic parts are not flexible.
It's a bit difficult to be honest Dyson didn't design this part well. But that's not the part manufacturer's fault. We finally got it working and everything is fine now.
Watch the Q1rUG0Q31KA installation video on You Tube. Lightly grind the cast flange. place spring. Insert one side into the clip hole. Use a drop of dish soap on the other side. Press the clip with the palm of your hand and lock it.