Hello and welcome to the forum Mike - take a look at the link below to an earlier thread where this is discussed. Ignore that it is in a 996 section, the OP thought it would be a better place to pose the question. Hope it helps you a bit! Please let us know if you have any other questions!
https://rennlist.com/forums/996-forum/933102-is-it-possible-to-change-the-main-chain-guides-pads-without-splitting-the-block.html