I'm a new boat owner and the only way for me to get the bow of my boat to end up on top of my trailers bow roller is to put the wench strap on top of the roller and wench the boat up over the roller. Is this normal? My bow roller height is not adjustable so I don't know what else to do. Any ideas? Am I too far in the water with the trailer? I've tried many depths for the trailer all with the same result. Thank you in advance for any help. I have a Tracker trailer made for my Nitro boat.