[1 Feb 1974] 4352/75 Heading F2E [Also in Division G1] To test for excessive leakage in the air brake system of a railway train, a rail yard air supply is coupled to the head end of the brake system via a coupling 32 and air is supplied to the system until both a predetermined ...
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 environmental performance. A minimum of five test units designated A, B, C, D, and E are to be used to ...
CDL Test Study Guide with Practice Questions 1. What is a dual air brake system? A two brake system, one operates the front brakes and one operates the back brakes. A two braking system, one for each side of the vehicle. A two braking system, one for daytime and one for nighttime dri...
11. The emergency brake system: Uses parts of the service and parking brake system to stop the vehicle in the event of a brake system failure. Uses the service brake to stop the vehicle in the event of a brake system failure. Uses the parking brake to stop the vehicle in the event of...
gree radius around the test point). Full-treadle brake application means a brake application in which the treadle valve pressure in any of the valve’s output circuits reaches 85 pounds per square inch (psi) within 0.2 seconds after the application is initiated, or in ...
SAE J2318 provides test performance requirements for SAE J1469, “Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers”. This revision reflects the revisions made in SAE J1469, namely to include the special needs of an actuator when mounted to a disc brake caliper. In ...
A testing device for conducting the Initial Terminal Inspection of the air brake system of a made-up train includes a first valve assembly for at least charging and applying the brakes through the test device operable from the location at which the device is coupled between the train brake pipe...
Performance testing system for air brake valve of tractor trailer拖拉机挂车气制动阀性能测试系统,包括:高压气源装置和气制动阀输入气压系统,动态特性动力气压系统与气制动阀输出测试系统,静态特性动力液压系统与气制动阀输出测试系统,气制动阀调压与密封测试系统;高压气源装置和气制动阀输入气压系统中的高压气源装置...
The micro-control test device for the wagon brake cylinder comprises a main air cylinder, a brake cylinder stroke control mechanism and a control system,... 石宏原,任志平 被引量: 0发表: 2013年 Power supply for a goods wagon and train integrity system for a cargo train A power supply (13...
9.E Inspecting Brake Hose and Tubing 9.F Inspecting Air Tanks 9.G Inspecting Air Compressors CHAPTER 10 - FUNCTIONAL TESTS OF THE AIRBRAKE SYSTEM 10.A Conducting Functional Tests of the Airbrake System 10.B Low-Air Warning Device Test