Awning Window Winder Removal

I am replacing the window winders on some old awning windows and there is a bar attached (see to the left of the window winder in the photo below) that I am not sure how to remove without damaging the window frame nor do I know what its purpose is.



http://ift.tt/11zIZ5g[user]=136118774&filters[recent]=1&sort=1&o=0



Any suggestions?





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