What size is the height of the pull pin seat of the semi-trailer?
The height of the pull off pin of the Semi Trailer Trailer refers to the height of the traction pin. This height is required to fit the height of the overhead saddle. Therefore, it is important to pay attention to the height of the front saddle when designing this height.
Check the gas path for leaks and check that the brake system is functioning properly.Seven socket cable 5. tractor connection plug is inserted into the front end of the semi-trailer until seven in the clamping block on the bolt.6. check whether the electrodes are well connected and confirm whether the lights such as side lights and taillights work properly.
Electric road connection between tractor and semi-trailer:1., the two air pipe joints on the tractor (commonly known as the handshake) are attached to the two trachea joints on the semi-trailer. The gas supply line of the tractor at this time. Connect with the air supply pipeline of the semi-trailer, the control line of the tractor is connected with the control pipe of the semi-trailer (note the color of the joint: install with the hue, don't install the reverse).When the 2. air connectors are communicated with each other, the semi-trailer on the tractor is to be unscrewed, and the gas path is connected with the separation switch so as to be in a ventilation state. Otherwise, the gas supply system of the semi-trailer can not be supplied, and the braking system can not work.3. start the engine, observe the pressure gauge in the cab, and increase the pressure in the tractor and the semi-trailer storage tank to the required pressure.
Your question is not clear, that is, the pin height. This height is required to fit with the height of the overhead saddle. So you should pay attention to the height of the front saddle when you design this height.