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The diaphragm actuator is extremely responsive to varying fluid pressure and
precise control can be exercised over the braking application. Maximum supply
pressure to the actuator should not exceed 100 psi (6.9 bar).
The actuator clevises can be adjusted to compensate for lining
wear. The clearance between disc and brake shoe can therefore be maintained at
at the optimum. In cycling applications, a tremendous amount of compressed
air can be saved by the shorter stroke of the actuator piston.
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