Brake Drum Qualification Recommended Practice
J2686_201203
This SAE Recommended Practice is intended for qualification testing for brake drums used on highway commercial vehicles with air brakes using an inertia-dynamometer procedure.
This Recommended Practice consists of two distinct tests: Part A - durability and speed maintenance test, and Part B - heat check drag sequence test. Each test can be considered to be an independent evaluation of the brake drum which tests different properties.
Rationale:
The objective of this recommended practice is to establish a uniform testing procedure for qualifying and comparing brake drums used on highway commercial vehicles.
Related Topics:
Brake drums
Brake linings
Air brakes
Brake torque
Brake lines
Commercial vehicles
Braking systems
Identification numbers
Pressure
Also known as: SAE J 2686
SAE MOBILUS
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