190. Q. If there is a blow at the control valve exhaust port when the
brake is released, where would you look for the trouble?
A. This would indicate a leaky application valve, or a leak past the
emergency valve.
191. Q. If there be a continuous blow at the control valve exhaust port
when the brake is applied, where would you look for the trouble?
A. This would indicate leakage past the exhaust valve 7.
192. Q. If the locomotive brake released with the automatic brake valve
in lap position, where is the trouble?
A. Would look for a leak in the control reservoir pipe or special
release valve.
193. Q. If the brake remained applied in lap position, but released in
release or holding position, where would you look for the trouble?
A. This would indicate a leak in the control valve release pipe.