I put these pics together from different threads - but hopefully this shows where the fridge anchors are located and how to remove the fridge. The top three pics are by forum member LigonierMontana in a thread from Sept. 2018 here...
https://www.montanaowners.com/forums...ad.php?t=75416
and the bottom three pics are from JDarwin's thread from January 2022 here...
https://www.montanaowners.com/forums...ad.php?t=78875
JDarwin's bracket had pulled off the back wall. He came up with the runway boards and vacuumed the coils while he had it out.