It is item 6 in these images. Spring loaded to hold constant tension. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Images (Click to enlarge)
Attached image available after login.
Please sign in to view this attached repair image.
Attached image available after login.
Please sign in to view this attached repair image.
Dec 23, 2017 at 6:21 AM