Trying to figure out how to keep my vacuum excavators working in low temps.
Thinking of perhaps a heat exchanger dumping engine heat via the water jacket
or exhaust into the water tank. Thinking of an air purge that would blow out
the hose every time they are done using it. Perhaps some kind of propane
heater to warm up the water tank.
Looked at heated hoses but most of those are for the spray foam industry.
Might work.
Any other ideas? How do they do it in your part of the world Colin?
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