Instructions for the Auxiliary Reservoir (AR) and Control Reservoir (CR) focus on moisture drainage and pressure retention tests. 4. Slack Adjuster (SAB)
Daily checks for air leaks and manual brake testing before a train departs from a siding. Testing Procedures
According to RDSO G73, maintenance is categorized into different levels to ensure long-term structural integrity:
RDSO Technical Pamphlet G73 is a critical governing document issued by the Research Designs and Standards Organisation of the Indian Railways. It outlines the specific maintenance instructions and technical standards for the air brake systems of freight wagons.
The DV is the "brain" of the braking system. G73 specifies how to clean, overhaul, and test the sensitivity of the valve to ensure it responds correctly to pressure drops in the brake pipe. 2. Brake Cylinder
The main objective of Pamphlet G73 is to standardize maintenance practices for air brake equipment. By following these guidelines, the Indian Railways ensures that freight wagons operate with consistent braking distances and minimal equipment failure. Key Focus Areas Standardizing maintenance intervals. Providing troubleshooting guides for air leakage.
Checking the time it takes for brakes to apply and fully release.
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