Publish Time: 2023-05-12 Origin: Site
When connecting the semi-trailer, the king pin should pay attention to the connection between the tractor and the semi-trailer, mainly the connection between the towing seat and the towing bolt and the connection of the circuit.
What are the steps to hang the forging type king pin?
What are the connecting steps for the forging type king pin?
What are the adjustment steps for the forging type king pin?
1. Secure the trailer against slipping.
Use skids to fix the tires in the front and rear directions so that they do not slip. Do not hang in an inclined place. It is best to hang up on a flat road.
2. Make sure the clutch is pre-coupled.
The handle is pulled out, the grease lubrication of the plate and other maintenance work is completed, otherwise the traction seat is open.
3. Check the height of the trailer.
The ideal height of the skateboard must be equal to or not lower than 50mm of the height of the pull seat plate.
If the towing seat has a boundary block, then if the towing seat leans backwards and leans on the boundary block, this is a more appropriate height relative to the semi-trailer.
4.Drive the tractor back to the trailer and stop when the tractor seat touches the front end of the trailer. In the case of air suspension, the airbags should be fully inflated. Then get off the vehicle and make sure that the drawbar is at a suitable height, i.e. the height at which it can easily lift the semi-trailer if the drawbar enters directly below the semi-trailer.
To achieve the correct lifting height, lift or lower the trailer by adjusting the height of the supports. Finally, slowly reverse the tractor until the traction seat is connected to the traction pin and the locking mechanism is automatically closed.
5.Check the locking mechanism of the forged king pin.
Before connecting, carefully check that there is enough lubricating oil on the tractor's saddle board and that there are other foreign objects on the forging king pin of the trailer and traction board to ensure the cleanliness of the traction board.
1.Adjust the support legs so that the trailer's traction skateboard fits the height of the forging type kingpin. In general, the traction skateboard of the semi-trailer is 1–3 cm lower than the middle position of the upper plane of the traction saddle of the tractor. Be careful not to be too high. Otherwise, sometimes not only will the connection not be made, but the traction seat, traction pin and associated parts will also be damaged.
2.Operate the traction seat locking mechanism to open the locking block and bring it into a free state.
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