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SAE J1469

(R) Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers

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Organization: SAE
Publication Date: 1 March 2019
Status: active
Page Count: 21
scope:

This SAE Recommended 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 six test units designated A, B, C, D, E, and F are to be used to perform all tests per 1.1 and 1.2.

Test Procedures

Leak Rate - Parking and Service Chambers (see Section 4)

Maximum Release and Hold-Off Pressure - Parking Chamber (see Section 5)

Minimum Pressure Response - Service Chambers (see Section 6)

Force Output and Stroke - Parking and Service Chambers (see Section 7)

Low-Temperature Leakage (Arctic Option Included) - Parking and Service Chambers (see Section 8)

Low-Temperature Maximum Release and Hold-Off Pressure (see Section 9)

Low-Temperature Force Output - Parking Chamber (see Section 10)

Low-Temperature Operational Test - Service Chamber (see Section 11)

Chamber Volume - Service Chambers (see Section 12)

Corrosion Resistance - Parking and Service Chamber (see Section 13)

Mechanical Back-Off Release Mechanism (see Section 14)

Elevated Temperature Cycle Test - Parking and Service Chambers (see Section 15)

Cycle Test - Parking and Service Chambers (see Section 16)

Proof Pressure Test - Parking and Service Chambers (see Section 17)

Vibration Test (see Section 18)

Purpose

This document provides uniform procedures and methods for laboratory testing of brake actuators used in air brake systems.

Document History

SAE J1469
March 1, 2019
(R) Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental...
February 1, 2017
(R) Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental...
February 1, 2009
Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental...
June 1, 2006
Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental...
July 1, 2001
Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
Scope - This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and...
June 1, 1988
Air Brake Actuator Test Procedure, Truck- Tractor, Bus, and Trailers, Recommended Practice
1. Scope--This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and...

References

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