Spring Plate Identification
The half-moon cutout on the outside diameter of the drive plates is an indicator that tells you which tooth on the inner diameter of the plate to look at to identify the spring plate. Some model’s plate stacks have more than one spring plate.
The spring plate has an identifying punch mark on the inner tooth opposite the outer notch. It helps the clutch to engage smoothly by cushioning clutch frictional forces and needs to be placed in the proper stacking position (convex side facing toward you). The remaining plates with no punch mark are flat. The notches have no other function and do not need to be arranged in any particular way.
Pressure Plate Alignment
Easily overlooked but also important is that the raised-arrow indicator on the pressure plate be aligned with the one spring bolt boss on the clutch hub that has a notch/slot in it, in order to assure proper pressure plate alignment with the hub.
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[Edited on 2-16-2004 by Shazaam!]
Shazaam!
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