<font color="blue"><b>Sorry in advance for so many questions!!</b></font id="blue"> A. How do I know if I have a 2.5 or 5.0 gpm head? The top reads TORO SUPER 600 (S600 PC-1.3) 45 degree span. B. How can I adjust the pattern? What is the special tool needed and where do I get it. C. If water surges around from the rim of the pop up at the base where it comes out of the cannister. Is the head shot? D. If a if a pop-up spray hits the grass is the head to low is there an adjustment as to the angle ...