All aluminum window
A quick learner from Cherry Hill New Jersey says:
March 30, 2016
The window is all aluminum with half inch insulated glass sashes will not stay open Springs on side broken
Paul from SWISCO responded:
March 31, 2016
It sounds like you need new window balances. We will need to see a few pictures of what you have installed now so that we can identify them. If possible, please remove the balance from the window before you take your picture. We may have more pictures, but this will at least get us started.