pulled oil pan to replace had brazing patch on that was leaking,,,smart me pulled pin removed oilpump filter cleaned in kerosene.. poured clean oil all in over it and reinstalled didnt pay attention where notch was that holds it up a little to keep it from fallin all the way down thats the way i put it ,,, it would move up and come down onto notch... also last time i changed oil rubber washer gave me a real hard time oil shot out side ,,,took off redid ,,ozoozed out that time took off again..got back on held that time...this time same thing ,rubber blew out side ,,,whats the trick ,,,,the bolt is funny feelin when you loosen it you have to hold the cover still it it will like thread on ..whats going on and how tight ,,last time i got it to hold ,,i still had to tighten a couple more times over that week ..wow thats the hardest thing i had to do on the tractor and i had the axels out of it........help......dewy