brake failure prevention

How to: Prevent Brake Failure

Federal regulations mandate brake wear specifications. For example, air disc brakes must have 1⁄16 of an inch of lining; air drum brakes must have 1⁄4 of an inch. Some types of failures can cause a spring brake to stick on. If the air chamber that retracts a (parking) spring brake fails, it’s a simple procedure to install a caging bolt to manually force the brake to disengage. Carry one along. PREVENTIVE MEASURES • During preventive maintenance on ...

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