I am replacing the door to our microwave and when I removed the old door it was difficult to release the top hinge pin and ended up bending the pin before I got it loose. I ordered a new pin #8184922. It looks like you just tap it down from the top after connecting bottom pivot pin. I tapped on it but it doesn't seem to want to seat into the top of the door. I don't want to force it and break another pin. Is ther a trick to installing the pin into the top of the new door?