18 SAFE COUPLING PROCEDURE
1.2 SEMI TRAILER HITCHED TO PULL TRAILER
1. Verify that the coupling area is flat, level and clear of people and other obstacles. Do not exceed the rated capacity of the hitch or assembly.
2. Chock the trailer wheels and back the tow vehicle up to the drawbar of the pull trailer. 3. Open the coupling latch. 4. Have a spotter outside to help align the pintle hook to the drawbar eye and back under the eye. 5. Lower the drawbar eye down over the pintle hook and close the hitch latch. 6. Make sure the latch on the pintle hook is secure and the plunger is functioning correctly. 7. Connect air and electrical connections between equipment. 8. Turn the air supply valves on for each gladhand at the rear of the semi trailer. 9. Properly connect safety cables. a. There are a variety of cable connection devices and designs, but all must be appropriately rated and must be maintained. 10. Raise and secure the drawbar jack. 11. Re-check the brake lines and power cord and connect safety cables. Remove wheel chocks and continue with pre-trip inspection. 12. Check that all lights are functioning correctly. 13. Charge trailer with air and check brakes. 14. Release the brakes and slowly drive away only after all systems are working correctly and required pre-trip inspections are complete.
Made with FlippingBook Annual report maker