If an unintentional brake release occurs when the brakes are applied, what should be done?

When an unintentional brake release occurs while the brakes are applied, it is crucial to respond appropriately to ensure safety and maintain control of the train. Increasing the brake pipe reduction by at least 5 psi below the last effective brake pipe reduction helps restore braking force. This adjustment allows for a more effective engagement of the brakes, which is essential when facing unexpected releases.

Maintaining the current brake pipe reduction does not address the issue of the unintentional release and would leave the train in a potentially unsafe condition. Decreasing the brake pipe reduction by 5 psi does not effectively manage the situation and may even lessen the braking force further. Checking for leaks in the air brake system is important during routine maintenance or if there are persistent issues, but it does not provide an immediate solution to the unintentional brake release.

In summary, increasing the brake pipe reduction is the proactive and necessary action to regain effective braking after an unintentional release, ensuring safety and control of the train.