Printrbot Simple V2 40mm slide out Extruder Fan - Anti filament Jamming

I tried printing the hinged version, but sadly, my printer wasn't up for the task. Probably the settings, and there was a mesh error with repetier-host V0.90C. Tried the older slicer version, but gave up after the fifth try. Attached files worked for me. Easy to remove the fan, with the slide out. I used 3MM hex head bolts to hold my fan in. You may have to ream the holes out slightly.

I had tried a cool fan on the back of the stepper motor, and that kept the stepper nice and cool, but I wou