SAFE COUPLING PROCEDURE
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UNCOUPLING PULL TRAILER 2.2 PULL TRAILER 1. Position the tow vehicle and trailer on firm level ground that is clear of people and obstacles. 2. Chock the trailer wheels and set the tow vehicle and trailer brakes. 3. Turn the air supply valves off on each gladhand at the rear of the semi. 4. Disconnect the glad hands and store in a safe location off the ground. 5. Disconnect the electrical connections and the safety cable and store in a safe location. 6. Open the coupling latch. 7. Lower the drawbar jack and raise the drawbar eye up and clear of the hitch.
8. When it is safe, release the tow vehicle brakes and slowly drive away from the trailer. 9. Safely support the drawbar.
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