During the pre-trip inspection, the release handle of the 5th wheel should be all the way in and locked. This position ensures that the coupling mechanism is securely fastened, preventing any accidental uncoupling of the trailer from the tractor while driving. When the handle is in the correct locked position, it indicates that the 5th wheel is properly engaged and will safely hold the trailer in place, which is crucial for vehicle stability and safety on the road.
If the handle were partially pulled out or hanging loosely, it could indicate that the trailer is not properly secured, posing a significant safety risk. Similarly, if the handle were completely removed, it would imply that the 5th wheel mechanism is not operational, which would also render the vehicle unsafe for operation. Therefore, ensuring the release handle is locked in place is an essential part of the inspection process to guarantee safe driving conditions.