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Maintenance knowledge about heavy transport lowbed trailers:

May 29, 2020

1. The height of the low deck trailer work platform is determined by the size of the tires and the leaf springs.

For example: 12R22.5 tires are installed, the leaf spring is reverse mounted, and the working platform height is 1.2m. Under the premise of this configuration, reduce the height of the working platform. That only shortens the height of the main beam.

So, equipment trailer friends when customizing new trailers, don't blindly reduce the height of the working platform. The shortening and narrowing of the main beam will directly affect the load capacity and service life of the step deck trailer.

2. When does the brake pad change?

For transportation safety, stable braking performance is essential. Always check the brake system, when checking the wear level of the brake pads. We can check it through the observation hole.

The limit thickness of Fuhua axle brake pads is 6mm, when it is worn to a limit, It must be replaced.

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How to use the ABS system?

1) Do not flush the combined valve directly with water when washing the low flatbed trailer, otherwise the ABS system will be faulty.

2)When welding the low bed semi trailer, the ABS power harness must be unplugged, otherwise the ECU will be damaged.

3)Ensure that there is no air leakage and no air pressure shortage in the brake circuit of the tractor, and ensure that the tractor has regular braking.

4)The excavator trailer is equipped with a pipeline filter, which needs to be cleaned once every three months to ensure that the pipeline is clean to prevent damage to the ABS.

5)Always check if the sensor connector is loose, if it needs to be replaced.

Features of low bed semi trailer

1. The series of lowbed trailers have flat-plate, concave beam and exposed tire structures, and the longitudinal beams are straight or gooseneck. The frame is stepped and the longitudinal beam section is I-shaped. It has the characteristics of high rigidity and high strength.

2. The main plane of the frame and cargo platform is low, which ensures the stability of transportation and is suitable for carrying various types of engineering machinery, large equipment and steel.


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3. The electrical system of a semi-trailer is composed of seven-core sockets, cables, gas lines, various lamps, etc. It is used for lighting, safety warning, and air supply for brakes. Generally, if you look at the regularity of electrical wiring, you basically know how the quality of this heavy transport trailer.

4. The support device of the semi-trailer is mainly used to support the low flatbed trailer when it is detached, and is composed of legs and connecting brackets.

5. The low loader truck protection device consists of side protection and rear protection to protect pedestrians and other vehicles.
6. Other accessories on the semi-trailer include toolboxes, spare tire racks, etc. There are also some small accessories such as tight ropes and rope hooks, which are very functional accessories, which need to be selected according to their own types of goods.


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