Torque Tube Adjustment Nut

[Bob Culver]

Recommendations are based on relatively unworn which none are. The adj tightens considerably when the locking bolts are tightened. The socket must not heavily bind in any position of spring travel . On the early ones with no rubber bush can test by trying  to rotate the socket. It is common for all adj to be used. Can turn/file back the socket body to allow more.
There must be tricks for packing out play but I dunno.