Spring brake chamber

the service chamber has a pressure plate and a non pressure plate with a rubber diaphragm between them the return spring in the chamber holds the push plate and rod assembly against the non pressure side of the diaphragm with a break application air pressure enters ballooning the diaphragm and forcing the push rod and push plate out of the chamber the return Springs resistance is overcome and the brakes are thus applied the spring break acts as the service brake on the rear axle and performs the additional function of emergency and parking brake the rear portion sometimes called the piggyback has a powerful spring diaphragm emergency piston emergency air inlet port and release bolt during vehicles start-up air pressure is applied to the diaphragm the spring compresses and the brakes are held in the released position until the vehicle is parked or a system failure occurs the two sections of the spring break utilize air pressure in an opposite manner air into the spring break section releases the brakes air taken away applies them

Channel: Henry Kaprovsky

Views: 95,340

Rating: 4.9240508 out of 5

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Id: gk-_-3Siz-8

Length: 1min 36sec (96 seconds)

Published: Tue Oct 30 2018