Originally Posted by
GingerK
Mine has a little curved 'washer' and I found that it does matter which way the curve faces. But it provides a tiny bit of space for the blade to turn. I have found the opposite problem--the screw holding the blade tends to loosen a bit over time. I've taken to checking each time I want to cut a bunch of stuff or am trimming a lot of blocks.
I hate to prove my ignorance on certain subjects, but here goes: Duh -- so which way should it face. I can never remember which way it was originally.