Have you made any changes to the length of that tension spring that goes on the Hydro. I keep going thru belts and I just had a pulley wear out in 700hrs. When I put the belt on it is almost impossible to get it to slide in and the spring force is just very very high. Comparing this to other hydro units the force must be twice as high. About 5 years ago I seen a bulletin from Wright that indicated you came out with a different spring that could be used if you wasn't doing a lot of turning?