No pics sorry.
However,
Step 1. Remove ring gear. Drill press helps.
2. Get bolts. 3x #6 allen bolt with 1.75 of shaft that doesn't have thread. Dia. of shaft should be 5mm. Cut off thread. 3x 10mm set screw. 10x bolts to put the ring gear back on, don't know the size.
3. Tap the ring...