tbran
Guest
tough to diagnose, BUT the snap ring does not go in a groove. It is a spacer. It goes between the cam (you should notice a slight wear area where it was compressed) and the bearing. The can is only to keep the spring and cams together when taken off the shaft and serves no function in pulling. If the snap ring is not there the cam willeat the seal out of the brg and it will fail. The spring is only good for about 100n of pressure, you can stand on it and bounce ala pogo stick style. It is the cams that provide the real squeeze. As the belt tries to slip the inner sheave is NOT tied to the shaft and tries to stop. As it slows a fraction of a turn the outter cam turns with it as those three pegs on the cam force it to (they are there are they not) . As it turns the ramps (like a kings's crown) contact the inner ramps and the outer cam is forced away from the inner cam that is splined on the input shaft. Thus the forcing away tightens the belt.