Don't forget to chock the wheels...video.

   / Don't forget to chock the wheels...video. #2  
what a bunch of________ ! Well atleast they didn't have to flip it upright again.
 
   / Don't forget to chock the wheels...video. #4  
At least it was just a Freightliner.
 
   / Don't forget to chock the wheels...video. #5  
I thought air brakes needed air to be engaged. So - if the engine wasn't running, the brakes "should" have been on?
 
   / Don't forget to chock the wheels...video. #6  
No, air brakes are engaged with a strong spring, the air is used to release the brakes.

Frequently when a tractor-trailer rig parks you will hear a big "sigh" or "whoosh". That is the sound of the air releasing, allowing the springs to lock the wheels.

Big rigs have a significant air reservoir which stores compressed air. If they have an air starter, they have a very significant air reservoir.

If the truck went over while in motion, it is very possible that the driver got excited and left without setting the brakes.
 
   / Don't forget to chock the wheels...video. #7  
Good info. With 33+ years in the fire service, I have witnessed many rolled vehicles being righted. Never has any one thought about them moving again. I passed this on to our rescue team and training. Thanks.
 
   / Don't forget to chock the wheels...video. #8  
At least we know when the CMV Gestapo do their level one, they won't cite the driver for air leaks.:D
 
   / Don't forget to chock the wheels...video. #9  
Why didnt those dumb *** policemen jumped on the truck to stop it, or at least steer away from the crowd ?

It doesnt take a licensed truck driver to find a brake pedal or turn a steering wheel !!
When the wife of Carl Benz took Carls tricycle, in the 1870's one of the first cars in the world, out for a family visit without him knowing, he was angry at her for taking it without consent, but was thrilled by the fact that even his wife could handle it on such a long trip ;)
 

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