If any one need some lift arms Surplus Center has a pair for $17.95. They may be able to be used on a 990. It is a good start anyway.
http://www.surpluscenter.com/item.asp?catname=&qty=1&item=1-3127
I made up the drawings from the original set. If anyone has any questions let me know.
http://www.surpluscenter.com/item.asp?catname=&qty=1&item=1-3127
I made up the drawings from the original set. If anyone has any questions let me know.