From: ahk@chinet.com   
      
   dpeltier@my-deja.com wrote:   
   >John Albert  wrote:   
      
   >>Absolutely astounding that the instructions would state to leave the   
   >>train air brakes on a standing and unattended train IN RELEASE.   
      
   >John, what would be the procedure you would follow if you climbed on board   
   >a train that had both hand brakes and automatic brakes set, and had been   
   >sitting unattended for a while? Would you release the train brakes and   
   >re-apply them before knocking off the hand brakes? Or do you assume that   
   >the train brakes are still holding the train, and immediately start   
   >knocking off hand brakes?   
      
   From what I gleaned of the report's discussion of QRB valves, the air in   
   the automatic brake cylinder must be dumped to set the hand brake on the   
   locomotive, so does the same apply to trailing cars themselves?   
      
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