Rear Seatback removal

[SuffolkD at aol.com]

Guessing here, but all other chassis I've removed moved straight upwards.
I put my fingers on the seatback cushion and pushed straight up.  Bentley 
Typo?
-Scott by BOSTON

> 
> The backrest won't budge.  I HAVE ALL FOUR of the retainers out.  
> 
> I've tried pounding with a big rubber hammer on the top of the backrest,
> but there isn't much swing room.  I thought the jolting might release some
> corroded stuff.  
> 
>