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What is AAR Control for UIC Braked Trains about?
1. Controlling UIC brakes with an AAR locomotive requires observing differences in brake valve settings, release of locked brakes, and brake reduction levels between the AAR and UIC systems. 2. When pulling UIC wagons or coaches, the AAR brake valve must be set to "graduate release" mode and brake pipe pressure should be set to 72 psi. 3. The AAR brake valve cannot automatically release locked brakes like UIC equipment and requires manually simulating this function; alternatively, all UIC equipment brak
- Author
- Mohamed Hassib
- Language
- EN