You do need to follow the operators manual. I fought my Ol' 269 about two seasons to get it to tie a knot. I went thru each segment of the baler. The feeders, both knotter gears twine holder twine hooks, twine knifes & bill hooks & new chain. Rebuilt the plunger, new bearings, side shield plate, hay knifes, hay dogs & springs and bale wedges. Changed from Sisal twine to Poly Twine and finally replaced needles. I've lost track of the flywheel shear bolts I replaced (has to be between 25-30, Oh and the little shear bolt hub that fits in the flywheel. Well it ties now. I do have coming, some time this winter, a replacement baler (Hesston 4550). I definitely feel your pain, been down the Old New Holland Baler Road. I know I didn't answer any specific questions, but, as you can tell I was shooting in the dark to get mine working. bjr