I got a used 67s with a dead lamp. I went to my pro shop and a got the same one that was in the enlarger, ESJ 82V 85W. I put the light in (I think correctly). The enlarger is connected to my timer (a gra lab), the timer is plug into the wall (I live in the us 120v 60hz). When I turned on timer to focus to check the light when on and then off. I took the lamp out and the filament is broken. The back of the enlarger says : "85 watts, 120 volts, 60hz". any ideas? I think this is the same setup as the previous owner had.

thanks