• J1469

• 2009-02-03

• Truck And Bus Brake Actuator Committee

This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, andcombination brake actuators with respect to durability, function, and environmental performance. A minimum of five testunits designated A, B, C, D, and E are to be used to perform all tests per 1.1 and 1.2.1.1 Test ProceduresLeak rate-parking and service chambers (Section 4)Chamber volume-parking and service chambers (Section 5)Maximum release and hold-off pressure-parking chamber (Section 6)Minimum Pressure Response-Service Chambers (Section 7)Force output and stroke-parking chamber (Section 8)Force output and stroke-service chamber (Section 9)Low temperature leakage-parking and service chambers (Section 10)Low temperature maximum release and hold-off pressure (Section 11)Low temperature force output-parking chamber (Section 12)Low temperature operational test-service chamber (Section 13)

• SAE J 1469

• Automotive

• Braking systems
• Air brakes
• Sensors and Actuators
• Performance tests