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View from front of axle/gearcase assembly. Driveshaft, driveshaft tube and flange is standing upright at right.
Posted to the Waveform Library on 11/4/2007

On either side of the gearcase at center you can see the pairs of levers. One lever of each pair twists a shaft to operate a cam to force the shoes apart. The other lever of each pair twists a hollow tube to operate the mechanism to contract a band.