New Orange Line trains are back in service after MBTA identifies a braking problem
The new Orange Line trains were returned to service on Monday after the MBTA identified braking problems, officials said. Boston. The problem was in one of the train’s 48 brake units, and it was disabled, officials said. As a precaution, the MBTA removed all new cars from service while engineers and technicians worked to determine the cause of the problem. Preliminary results indicate that a bolt in one of the car’s eight brake units had not been installed correctly at the manufacturing plant. . MBTA vehicle maintenance staff began a fleet-wide process to verify that every bolt (24 per car, 144 per train) was properly installed, officials said. When every bolt on a six-car train passes inspection, the train is returned to passenger service. At this point in the inspection process, the problem has not been found in any other brake unit. Video: Sky 5 shows dozens of MBTA train carriages parked in Wellington yard New trains have been withdrawn from service several times before. off-road for about five months. In 2019 they were temporarily taken out of service for door component replacement and again after engineers observed an unexpected noise coming from underneath the vehicles. Other cars running on the Orange Line were initially put into service from 1979 to 1981.
The new Orange Line trains were returned to service on Monday after the MBTA identified braking problems, officials said.
The MBTA pulled all new model Orange Line and Red Line trains on Thursday after one of the trains ran into a problem at a station north of Boston.
The problem was in one of the train’s 48 brake units, and it was disabled, officials said. As a precaution, the MBTA removed all new cars from service while engineers and technicians worked to determine the cause of the problem.
Preliminary findings indicate that a bolt in one of the car’s eight brake units had not been installed correctly at the manufacturing plant.
MBTA vehicle maintenance staff began a fleet-wide process to verify that every bolt (24 per car, 144 per train) was properly installed, officials said.
When every bolt on a six-car train passes inspection, the train is returned to passenger service.
At this point in the inspection process, the problem has not been found in any other brake unit.
Video: Sky 5 shows dozens of MBTA train carriages parked in Wellington yard
New trains have been withdrawn from service several times before.
Just over a year ago, a derailment at Wellington station caused all new Orange Line vehicles to be taken off the tracks for around five months.
In 2019 they were temporarily taken out of service for door component replacement and again after engineers observed an unexpected noise coming from underneath the vehicles.
Other cars running on the Orange Line were initially put into service from 1979 to 1981.
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