Sometimes the verbal instruction you receive varies by who you are told by. I have been told conflicting things by Newmar's people in the past. Each is trying to give you informative direction and believes it is the correct. It is just that each has his own opinion.
However, don't take my word and ignore any direction you are given. It is up to you as to how you interpret the information. In many cases it probably won't hurt to do it their way, it just may not be necessary.
Just my 2 nickle's worth (Canada has no pennies anymore)