[Specialty Brake and Clutch]
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Diaphragm Clutch vs. Coil Spring Clutch

                     DIAPHRAGM               COIL SPRING         .
                     CLUTCH                  CLUTCH              .
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COVER SIZE           CAN BE SMALLER          VERY HIGH           .
                                             AND BULKY           .

RELEASE EFFORT       LESS EFFORT             MORE EFFORT         .

CLAMP LOAD           STAYS CONSISTANT AS     AS CLUTCH WEARS     .
                     CLUTCH WEARS            PRESSURE DECREASES  .

ADJUSTABILITY OF     NOT ADJUSTABLE          CAN CHANGE SPRINGS  .
CLAMP PRESSURE                               TO ADJUST PRESSURE  .
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There is no discernible difference between equally matched Diaphragm and Coil Spring style clutch.

WARNING: Coil Spring clutches may be too high in pressure to release when Hydraulic Clutch System is used.

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or stops anywhere.