Everybody's guilty - a bi-product of little or no industry regulations or oversight. The Montana Owner's Manual is downloadable from a topic at the bottom of these Forums under "Favorite and Helpful Links".
http://keystone-montana.com/index.ht...l&location=any Once there click on customer service and scroll toward the bottom.
There is a very good Montana maintenance schedule that I think Glenn prepared. It's available from the home page under "Montana Maintenance Checklist.
http://www.montanaowners.com