AIR BRAKE ACTUATOR TEST PROCEDURE, TRUCK-TRACTOR, BUS AND TRAILERS J1469_198806

This practice provides procedures and methods for testing service, spring applied parking and combination brake actuators with respect to durability, function and environmental performance. A minimum of five test units designated A, B, C, D and E are to be used to perform all tests per paragraphs 2.1 and 2.2.