It depends what arrangement you have inside the clutch. You will either have single coil springs or belville washers (that make up a spring).
If you have a coil spring setup in each clutch shoe - remove any additional washers other than the one under the bold head. If you belville washers in a 'stack' this takes more explaining, but in simple terms try the following:
(())(())()()// to a height of 0.635 or (())(())()()() to a similar height. |