In this environment, you make minor adjustments to the Yankee coating or leave it as is, exploring changes you can make both up- and downstream of the machine that play nicely with the coating. So, while you’ve avoided short-term disruptions from a Yankee coating trial, you may have locked into sub-optimal coating conditions over the long haul.
If your Yankee coating has reacted unpredictably to past adjustments, it’s natural to want to keep it stable—but that often means giving up on continuous process improvement.