During initial use, add an appropriate amount of grease around the end of the king pin ī. The king pin must be replaced when the wear of the king pin reaches the wear limit.Ī. Adjust the position of the lock bolt of the fifth wheel to eliminate the gap between the king pin and the lock hook ī.
KING PINS FOR TRUCK MANUAL
Regularly check the above items according to the instruction manual of each automobile manufacturer.ĭuring the running of a semi-trailer, the king pin rotates relative to the fifth wheel, causing the king pin to wear. Otherwise, replace the self-securing bolt and tighten it according to the specified torque.Į. Check whether any self-securing bolt is loose or broken. Check the skid plate for scars, distortion and foreign objects, otherwise it will cause abnormal wear of the king pin ĭ. Then, a new kingpin is installed and professionally welded to your trailer.C. One of our certified mechanics can cut out the old king pin from your trailer and the cross member supports.
If your kingpin is so worn out that repair is not an option, you many choose to replace the entire piece. If your king pin is worn out, the stability of your entire trailer is compromised.
KING PINS FOR TRUCK DRIVERS
Trailer Kingpin Repair And ReplacementĬhecking the condition of your trailer king pin regularly is important to the safety of your entire rig as well as other drivers on the road. An easy way to help determine a worn king pin is to conduct a king pin wear inspection. If you’re experiencing symptoms of a king pin and bushing failure, additional inspection must be done to rule out other wheel assembly issues that may cause similar symptoms. Because of the potential for further damage and operator safety risks, properly diagnosing and repairing worn king pins, bushings and tie rods needs to be addressed promptly. Experiencing these symptoms while driving may result in a shaking cab or steering wheel. You’ll notice signs of king pin and bushing failure from incorrect vehicle alignment, premature and uneven front tire wear, and rough handling. Improper lubrication of king pin bushings can cause king pin contact points to start to wear at the steering knuckle. King pins and tie rods can wear out extremely fast if they’re not greased on a regular basis. To avoid accidents arising from turning problems make sure your truck’s king pin is regularly checked and serviced. It’s the pivot point between the two units and because if this it receives a great deal of wear and tear making eventual repair or replacement necessary.įailure of the king pin means that the steering system will not work properly, and improperly working steering systems can be dangerous. The receiving piece on the truck is a horse-shoe shaped platform attached to the tractor. This is a pin which connects the trailer to the fifth-wheel.
Smith Co., we offer a complete range of king pin replacement, king pin servicing, and king pin repair services.Įvery semi-truck or trailer depends on one small piece of equipment for its connection.
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