Employed as: Conductor, for 30+ years
Posted: 16 February 2019
If BOTH the angle cocks are turned/closed on each side of a air charged
cut beforehand, even if a brake pipe reduction is made prior, then
yeah, that is bottling the air. Equipment air applied brakes can and
will leak off.
If cutting away from cars\train on air and leave the angle cock
(valve) open on the cars\train cut away from = emergency application,
then air brakes are applied and that portion of train may not move
independently at all if ever not bumped into, subjected to strong
winds, etc., if on a level surface. If in any doubt, OR cars are to be
there a while - apply handbrakes.
Hook up an air ground line (bottling air) = apply hand brakes.
Heck, the rules = handbrakes.
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