In attempting to get rid of most of the backlash and slop in the various parts of my SB 9A, I removed the saddle to inspect wear on the underside. The rear "V" grove of the saddle has a raised ridge on the lower edge (the edge that runs OFF the ground surface of the Way), that measures .017" above the ground surface of the saddle. Both sides of the V have the same .017" ridge. The front V grove measures approx. .007". My reasoning is that this saddle wear has caused the entire carriage/saddle assembly to sit lower in relation to the rack, causing the pinion gear not to mesh with the rack as snugly as it should. The pinion gear does have it's own wear, but I can eliminate nearly all of the backlash by gently lifting the saddle/carriage assembly slightly off the ways.
Should I be concerned about this saddle wear and what can I do about it.
Needless to say, wear on the ways is my next concern.
Thanks for your valuable input.
Ray
Should I be concerned about this saddle wear and what can I do about it.
Needless to say, wear on the ways is my next concern.
Thanks for your valuable input.
Ray