NU SASH tilt windows

A quick learner from Covington, KY says:
My windows won't stay up. The pivot lock shoe is intact. The problem is the sash pivot bar comes out of the metal cam. Do I need to chance the bar, the cam, or everything?

Please help
User submitted photos of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Hmmm... I'm not sure what the problem could be. Your cam doesn't look damaged. Let me ask you a question: when you put the pivot bar in the cam, is the lip on the pivot bar head on the inside or the outside of the cam? The head needs to go entirely inside the cam, not just the tip.
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