cowl light install sequence?

[kimeccles]

Hi,

Need help figuring out how to put together cowl lights.

I have the outer metal ring, I think then a gasket?, then the lens (with the rounded ridges inside and the notch down.

But then not sure about the reflector (I assume the hole is down)? Is it then all supposed to be clipped into the outer cover? So the clips are on the back of the reflector and it all comes off and so is easy to change the bulb? Or do I need to put the gasket somewhere else? It also seemed a little thin.

thanks,
Kim