'He can't stop. Get
out!'
Runaway semi truck
crashes into home
Tuesday, June 19th
2018, 7:30 am EDT
Investigators are
trying to determine if the accident was caused by human error or a mechanical
failure.
Well to save time,
“Human Error”!
WHY?
Every driver of a 6,
10, or 18 wheel must, at least if it is a union driver, hit the air braking
system as the last thing before leaving the cab!
Removing the air
from the breaks locks up the brakes!
The only other
thing, although I have my doubts, would be
(Too much water in the air tank).
Still human error
because driver is responsible to bleed the tanks.
The system consists
of service brakes, parking brakes, a control pedal, and
an air storage tank.
A sudden loss
of air pressure would result in full spring brake pressure
immediately.
The system must be
filled with air before the brakes will release.
Even though the
brakes remain engaged at rest, as soon as the system reaches its operating
pressure, and the brakes are ready to use.
First and most
important reason for these heavy-duty
vehicles to use Air brake instead of hydraulic brakes is the fact that
the use of air allows multiple vehicle units to be coupled. This way all units
have braking capability and can be controlled from the cabin.