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5. S.A.T. composition
and design
In an S.A.T. clutch a
wear compensation
system
is located between the pressure plate and the
diaphragm. Wear is detected by the position of
the pressure plate and the diaphragm, and wear
compensation is obtained by means of the fulcrum
ramp and a toothed ring.
Toothed section cord crawls: positioned against
the pressure plate and turns on the slopes of the
pressure plate to adjust the effective thickness of
the pressure plate.
Toothed section
Fulcrum ring
Worm gear
The position of the fulcrum ring is adjusted via a worm gear to compensate the wear
Pawl: installed between the cover and the diaphragm
it is actuated by a lobe on the diaphragm and turns
the ratchet wheel in proportion to the wear of the
facing.
Pawl
Diaphragm spring
Rathet wheel
Fulcrum ring