Can a power top be raised manually?
In short ...
Yes.
And I did it myself!
I just did that today on the 67 dart im rescuing, but in reverse!
It had been sitting outside since as much as 1976
Red - remove the clip then tap the pin out. BE CAREFUL THAT YOU DON'T LOOSE ANY PARTS.
Green - remove the 2 nuts and take the pivot pin plate off. Then slide the ram off the other 1/2 pin.
BE CAREFUL THERE ARE PLASTIC SLEEVES ON BOTH PINS. DO NOT LOOSE THEM.
Assuming the pivots are free to move you can lift up on the header and open it close the top
WARNING.
the hoses are / might be VERY brittle.
Just moving a ram out of the way and both hoses snapped.
Lucky there was not much fluid in the system, both rams had fluid in them but the pump had about a tablespoon in it. Lucky the insides look pretty good.