Combines How do you knowIJ

I replace them when they are as you describe because I can't afford downtime during harvest. I learned that lesson the hard way about 20 years ago when a chain broke at night on the far end of a field 10 miles from the shop. Tom in MN

true, and replace the sprockets as well. And speaking of sagging..... naw it will get removed anyway....

Awe, c'mon tbran! We've been good boys and girls here for a long time now. Maybe Marv has quit watching us so closely!