CDL - Commercial Driver's License Program : Module 9

The student will demonstrate coupling and uncoupling skills by:

• Reverse-steering and articulating a vehicle.
• Aligning the tractor properly to connect with the trailer.
• Backing and securing the tractor properly into the trailer kingpin without damage.
• Performing tug tests against the locking mechanisms and performing visual checks to make sure the coupling is secure.
• Connecting electrical and air lines properly.
• Setting in-cab air brake controls properly.
• Retracting and securing landing gear after coupling is secure.
• Properly uncoupling and securing the trailer.