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.
Intermediate checks. G73 mandates:
He turned the page, expecting graphs on rail wear or thermal expansion. Instead, he found a diagram of a tunnel. It wasn't a standard service tunnel; the dimensions were wrong. The arch was too high, the floor slanted at a gradient that would derail any standard rolling stock. rdso technical pamphlet g73
Primary systems covered in G73 include: