Big Father, Small Father at AMC Theatres-River East 21 This Weekend, Oct 16, 2015 (Friday) Festival event in Chicago, IL USA Big Father, Small Father October 16, 2015 at AMC Theatres-River East 21 in Chicago, IL 9:45PM.ind things to do this weekend in Illinois and other fun things to do.
In much the same way that vacuum boosters work, hydraulic power brake boosters rely on a pressure differential to provide braking assistance. The main difference is that it is hydraulic pressure that does the work rather than a vacuum-actuated servo.
-5-. Electric Brakes. The electric brakes on your trailer are similar to the drum brakes. on your automobile. The basic difference is that your automotive. brakes are actuated by hydraulic pressure while your electric. trailer brakes are actuated by an electromagnet. With all of the. brake components connected into the system, the brake will.