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Front #104

ABTH 101.13B

What is the purpose of actuating before exceeding 10 mph when initiating movement with a train?

  1. If brakes apply the brake pipe and application/release lines might be crossed.
  2. If brakes apply the brake pipe and actuation lines might be crossed.
  3. If brakes apply the actuation and main reservoir equalizing lines might be crossed.
  4. If brakes apply the actuation and independent application/release hoses may be crossed.
Back #104
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ABTH 101.13B


Answer: If brakes apply the actuation and independent application/release hoses may be crossed.
Feedback:
If the actuation and independent application/release lines are crossed, charging occurs in the independent application/release line with 120-140 psi of pressure. This will cause the independent brakes on the trailing locomotives to apply. If actuating results in brakes applying on trailing locomotives or a sudden change in slack is noted, stop and check MU hose connections.