Safety Restraint System - Inspection - Peterbilt 579 Operator's Manual

Safety Restraint System -
Inspection
The seat belt system, including
webbing, buckles, latches, and
mounting hardware, endures heavy
use in heavy-duty vehicles, much more
than seat belt systems in passenger
cars. All users should be aware of the
factors contributing to this heavy use
and reduced belt life.
WARNING!
Failure to properly inspect and main-
tain restraint systems can lead to injury
or loss of life. Without periodic inspec-
tion and maintenance to detect unsafe
conditions, seat restraint components
can wear out or not protect you in an
accident.
(04/13)
Factors contributing to reduced seat
belt life:
Factors contributing to reduced seat
belt life:
•
Heavy trucks typically accumulate
twice as many miles as the
average passenger car in a given
time period.
•
Seat and cab movement in
trucks causes almost constant
movement of the belt due to ride
characteristics and seat design.
The constant movement of the belt
inside the restraint hardware and
the potential for the belt to come
in contact with the cab and other
vehicle parts, contributes to the
wear of the entire system.
•
Environmental conditions, such as
dirt and ultraviolet rays from the
sun, will reduce the life of the seat
belt system.
Y53-6047–2C
Due to these factors, the three-point
safety belt system installed in your
vehicle requires thorough inspection
every 20,000 miles (32,000 km). If
the vehicle is exposed to severe
environmental or working conditions,
more frequent inspections may be
necessary.
Any seat belt system that shows cuts,
fraying, extreme or unusual wear,
significant discoloration due to UV
(ultraviolet) exposure, abrasion to the
seat belt webbing, or damage to the
buckle, latch plate, retractor hardware
or any other obvious problem should
be replaced immediately, regardless
of mileage.
CAB
5
5-67