Emergency Care and Transportation of the Sick and Injured ...

4. When the brakes are applied, hydraulic pressure forces the piston toward the rotor. a. Takes up any clearance. b. Pushes pad into rotor. 5. Once all clearance is taken up on outer brake pad, clamping force will increase equally on both brake pads, applying brakes. 6. Square cut O-ring seals the piston in disc brake calipers. a. ................
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