6-18
TIPS ON SAFE AND SMOOTH OPERATION
Effective Use of the Various Types
of Brakes
Use the various types of brakes
appropriately to achieve stable braking.
On slippery roads and curves, avoid using
just one type of brake at a time. Particularly
on a long downward slope, you should
make effective use of the engine brake and
the exhaust brake, additionally using the
foot brakes as necessary.
Abnormal Motion During Braking
Sharp steering and braking, poor loading, poor maintenance and slippery road surfaces
can cause abnormal motion. Pay attention to daily maintenance and inspections, and
always concentrate on safe driving.
Plow Out
Here, the tractor and trailer run off a curve
and keep going in a straight line. This
phenomenon can occur if the tractor's front
wheels lock up.
Jackknifing
Here, the tractor and trailer "fold" like a
jackknife. This phenomenon can occur if
the tractor's rear wheels lock up.
Trailer Swing
Here, the trailer swings to the left or right.
This phenomenon can occur if the trailer's
wheels lock up.
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