So I replaced the spindle housing, spindle, new blades. When I first engaged the blades it was fine then there was a spark. The blades aren't touching anything I can manual spin them around and they don't hit each other or anything else. Can anyone recommend anything I can check? What ever it hit it must have not hit it full on because the blades are fine. I can't see any where under the deck where it fit. Is it possible maybe the blades just barley hit each other? Trying to get this problem fixed....get to work on Sunday.