@GGG posted:Don't believe me huh:-). Tech bulletin 07-27-16A
Oh, I believe you, and you got back up from Jon, can't ignore both of you! Besides, now that I cruise through the service notes, I find Jason even provided a diagram. For some reason, I missed this when it came out, and the issue never actually bit me. I do note indeed this issue surfaced years after I attended the training classes.
I'm still at a loss as to why the couplers are interlinked, that's very odd. I have to believe that was some design screw-up, I can't imagine it was intended that way from the beginning. However, now I know, and I'll strive to remember in the future.