The compressor CutOutPressure (coded as 110) and RestartPressure (coded as 130) should have the values exchanged. Not sure it matters though, since as near as I can tell the compressor sound file only gets played once regardless of the pressure reduction. I couldn't find any code that defines the compressor pumping performance relative to the reservoir volume.
The other interesting feature is that there are sound files for both shoveling and a stoker. The stoker plays when you open the firebox in the HUD. Did this loco have a stoker?
Ken