If you drive a tanker truck, you are going to need to know how to load it and unload it with fuel. Since tanker trucks carry such a large amount of fuel, it is extremely important that this fuel be loaded and unloaded correctly; a mistake that would be small in a standard car or truck is compounded if it happens with the larger amount and flow rate in a tanker.
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Attach the vapour hose to the vapour exhaust port. Ensure that it is tight. This hose will pull vapour out of the truck and into the vapour tank; from here, it will be converted back into regular liquid fuel, which reduces waste.
Attach the product hose to the input valve. This is where the liquid fuel will come into the truck. Again, make sure it is tight.
Tell the operator to begin running the fuel.
Climb the ladder on the rear of the tanker and look over the top to check for vapour leaks from the vent covers. These will look like wavy air, much like the air you see around an aeroplane as it taxis. If you see any vapour, tell the operator immediately.
Follow this same procedure to unload fuel from the truck. When you unload, though, vapour comes into the truck and fuel flows out of it, rather than the other way around. It still uses the same hoses, though.
Tips and warnings
- Never use a cell phone or lighter to check for vapour. You could blow yourself up.
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