Take sewing needle a big one and use that to aim the small ball with a hole on the plastic housing to align the pattern of squirt, aim the jets to the area where the upper part of the wipper passes, if there are three balls aim the center one a little higer and the other two a foot to a foot and a half on both sides, take unit out for a spin and test, if not good, reaim until you have a good spray patern at the speed that you normally travel on the highway.
navegator