Brakes

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 '''PROPORTIONING VALVES'''
 An adjustable fluid valve that allows you to set the amount of pressure being  applied to a wheel cylinder by increasing or decreasing the fluid by way of a adjusting valve.
 '''RESIDUAL PRESSURE VALVES'''
-A one way valve that allows fluid to flow through it at any pressure, but limits the amount of return pressure to a certain amount by way of a spring loaded check-valve. Usually comes in 2 - 3 lbs. (red color) for drum brakes and 7 -8 lbs. (blue color) for disc type brakes.
+A one way valve that allows fluid to flow through it at any pressure, but limits the amount of return pressure to a certain amount by way of a spring loaded check-valve. Usually comes in 10 lbs. (red color) for drum brakes and 2 - 3 lbs. (blue color) for disc type brakes. These valves are usually used in under-floor systems where the calipers are higher than the master cylinder and for compensation of return spring tension in drum systems. RP valves eliminate excessive brake pedal travel in both systems
 '''MASTER CYLINDERS'''

Revision as of 17:51, 30 October 2009