If you have the tools to split the case then it's an easy step to take. If you are relying on DIY methods to get the case halves apart, probably best to leave it alone unless you know there is a problem. If you tear the saw downs to just the bottom end, you local dealer would prob only charge you a minimal fee to crack it open. You should be able to get it closed up again without too much trouble. Especially if you toss the rotating assembly in the freezer and heat the case halves to 200 before assembling everything.