Operating the trailer
Exterior of the tractor
Exit the tractor and inspect the following on the exterior of the
tractor.
• Check for oil, water, or fuel leaks.
• Check if the fuel tank cap on the tractor is secured tightly.
• Check the front tires, wheels, and wheel nuts for damage.
• Check the headlamps, clearance lights, identification lights,
flashers, and turn signals for damage.
• Check the rear tractor wheels and tires for loose or missing
lug nuts and damaged rims, and check the tread depth and oil
level in the wheel end hub cap. Ensure the tires are properly
inflated.
Inspecting the trailer
After inspecting the tractor, inspect the following sections of the
trailer.
Coupling parts of the trailer
Inspect the following on the coupling parts.
• Check if the fifth wheel jaws are engaged and locked securely
around the kingpin.
• Check if the electrical cord from the tractor is fully inserted in
the 7-way connector and retained by the spring-loaded
connector closure. Also, ensure the cord is unobstructed, free
of chafing, and not restricted.
• Check if the air delivery hoses from the tractor are
unobstructed, free of chafing, and correctly and securely
attached to the gladhands. Listen for air leaks.
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