1929-01-01

Brakes and Brake-Linings from a Service Viewpoint 290047

A TABULAR statement in which comparisons are made between acceleration and deceleration is presented by the author as proof of the need of frequent and scientific maintenance practices with regard to brakes.
From the viewpoint of service, the author believes that the engineer's findings as to what constitutes the best lining for the particular brake he has designed for his particular car must be adhered to strictly. No one brake-lining will work equally well on all cars. In reconditioning used cars of any make, he has purchased the lining supplied by the manufacturer of the particular make of car when possible.
Although water affects brakes equipped with molded linings, the trouble is only momentary, according to the author, because the heat quickly dries off the surface moisture. Squeaks are seldom caused by the molded lining itself, but mostly by protruding rivets, out-of-round brake-bands or brake-shoes, foreign matter on the linings, or eccentric adjustments.
In conclusion, and because the author considers the brake linkage and brake adjustments to be the main causes of trouble, he emphasizes the importance of having every brake joint, lever and clevis-pin in good working order and thoroughly lubricated. He acknowledges that brake-testing machines have assisted considerably in adequate maintenance of braking systems, but says that it is well to remember that a brake-testing machine is only a measuring instrument.

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