Brake Cutout: Difference between revisions

Latest revision as of 17:26, 17 March 2025

Brake cutout is a valve most motorized rail vehicles come equipped with, that cuts their train brake control valve from the rest of the train. This valve is typically located under the train brake control device, in the vehicle's cab .

The brake cutout valves are there to ensure that, in a train with many motorized vehicles, only one train brake control device is enabled. If there were multiple, conflicts would occur, potentially resulting in dysfunctional brakes and a disaster.

When the train brake is cut out on a vehicle, its control device is no longer functional. However, the vehicle is still able to brake, as controlled by another vehicle's train brake.

The cutout valve only affects the train brake control device, but other brake types, such as independent , can still be used freely.

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-Most motorized {{pll|Rail Vehicle Types|rail vehicles}} come equipped with a valve to cutout their {{pll|Air Brake System Overview|train brake control device}} from the rest of the train. This valve is called brake cutout, and typically it is located underneath the train brake control device, in the {{pll|Rail Vehicle Types|cab}} of the vehicle.
+Brake cutout is a valve most {{pll|Rail Vehicle Types|motorized rail vehicles}} come equipped with, that cuts their {{pll|Train Brake|train brake control valve}} from the rest of the train. This valve is typically located under the train brake control device, in the vehicle's {{pll|Rail Vehicle Types|cab}}.
+<!--T:4-->
+The brake cutout valves are there to ensure that, in a train with many motorized vehicles, only one train brake control device is enabled. If there were multiple, {{pll|Braking Overview|conflicts}} would occur, potentially resulting in dysfunctional brakes and a disaster.
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-When a cutout valve is closed on a vehicle, it is still able to brake as part of a train and it's only its control device that is no longer functional. The ability to cutout valves is necessary to ensure safety of a train with multiple motorized vehicles that would otherwise conflict each other.
+When the train brake is cut out on a vehicle, its control device is no longer functional. However, the vehicle is still able to brake, as controlled by another vehicle's train brake.
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-The cutout valve only affects the train brake control device, and when it is closed other brake types, such as {{pll|Independent Brake|independent}}, can still be used normally.
+The cutout valve only affects the train brake control device, but other brake types, such as {{pll|Independent Brake|independent}}, can still be used freely.
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 [[Category:Air Brake System|3]]