Brake assurance circuit to preserve proper locomotive operting status

摘要: A brake assurance circuit via which a magnet valve device is deenergized to exhaust pipe pressure independently of the locomotive in order apply braking any time proper operating status changed after underway. switch responsive cut-in and cut-out setting manual selector associated with senses connects one two possible circuits parallel primary having speed switch. Once movement underway, drops out effective selected by maintains energized provided not changed. Should be changed, all power cut off from cannot reapplied until comes complete halt allow reset restore circuit.