So OK ... for background
1. photo of original pivot pin in drilled out hole
2. photo of pivot pin that depends on groves to hold in place
3. photo of cotter pins that hold the pivot pin in place
note that there is only so much room to redrill before the cotter pins will not work. see top photo
![[Linked Image]](https://j30.us/ubbthreads/ubbthreads.php/ubb/download/Number/1082/filename/cotters.jpg)