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Front #109
ABTH 102.1.1
A crew will leave the rear 80 cars of their train on the main track. The ABTH 104.14 Chart says to secure 15 cars with hand brakes. The conductor applies hand brakes on 10 cars and instructs the engineer to release the air brakes. When the air brakes release, there is no movement. Is it permissible to leave the train unattended on the main track with 10 hand brakes applied?
No. It is required to apply the number of brakes that are listed on the hand brake chart.
Yes. The air brake release test confirms that 10 cars are sufficient to secure the train.
Yes, as long as the grade at that location does not exceed 1.5%.
It is not permitted to secure a train on the main track.
Answer: Yes. The air brake release test confirms that 10 cars are sufficient to secure the train.Feedback: A successful release test is sufficient in verifying hand brakes will prevent movement. To perform a proper release test, release both the automatic and independent brakes.