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Front #124

ABTH 102.3

When securing a multiple unit locomotive consist in a yard or mechanical facility, how many hand brakes should be applied?

  1. It is not required to apply locomotive hand brakes when coupled to other equipment
  2. All locomotive hand brakes must be applied
  3. A sufficient number to prevent undesired movement, but a minimum of one on the lead controlling locomotive
  4. It is not required to apply locomotive hand brakes in a yard or mechanical facility if the air brakes are working properly
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ABTH 102.3


Answer: A sufficient number to prevent undesired movement, but a minimum of one on the lead controlling locomotive
Feedback:
Apply a sufficient number of hand brakes to prevent undesired movement. This exception only applies to light locomotive consists in yards or mechanical facilities. One hand brake might not be enough to secure the consist, so it's important to remember a release test is still required. If one hand brake is sufficient, it must be applied on the lead controlling locomotive in the consist.