At 03:22 10 June 2018, AS wrote:
On Saturday, June 9, 2018 at 9:21:30 PM UTC-4, Steve Koerner wrote:
Uh-oh, someone doesn't understand how gas springs work:

I do - I used to design similar devices....
Uli
'AS'

It might help to unbolt the hinges and lift the lid evenly with two
winches?