Some clips from the first test of the roof monitor and pump mounted on the truck. Seems to be sucking air somewhere, possibly the filter on the supply side. Nozzle also needs some work.
The pump is currently drinking about 2.5 liters per minute.
https://www.youtube.com/watch?v=fGMQzeoWdYY
edit: if you're as easily entertained by flashing lights as I am, here's a minute of flashing blue lights:
https://www.youtube.com/watch?v=q4rnpqTKm18