There are 2 types of diaphram clutches. One has the fingers inside the pressure assem. & the other the fingers stick out to the edge, commonly called a beehive clutch. The first one uses a t.o. bgr with a coller called a long T.O. brg. the beehive uses a short brg. with the brg. next to the groove. If you have the right match adjust the clutch to a point where there is almost no freeplay. Then put it in high gear with the engine off & start it up. If it will start slip the clutch a little to wear down the high spots. If it doesn,t start working you are going to have to pull it back out. If it does you can go back & put a little more free play in the linkage. Did you get a reman clutch or a new matched set?