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(last edited July 19, 2005) Front Page | Recent Changes | Title Index | User Preferences | Random Page | HelpA valve provided on each vehicle in a train to allow the brake to be released manually on that vehicle. Sometimes operated by a lever mounted in a suitable location for access by the crew or (on a suitably equipped EMU) can be operated remotely by the driver in the cab. Some versions have a bleed hole on a brake isolating cock which performs the same function if it is necessary to isolate the brakes of one car from the rest of the train.
