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Concrete mixer truck cleaning steps and engine cleaning precautions

Jan. 19, 2022

After the concrete mixer truck is used for a period of time, dirt will be generated on the fuselage and mixing tank, which not only affects the appearance, but also increases the quality of the vehicle and reduces the available concrete volume. The following is a detailed introduction of the concrete mixer truck cleaning steps and engine cleaning precautions.

1. Cleaning steps of concrete mixing tank

When the concrete mixer truck is transporting, the concrete will solidify into a hard block in a short time, and this hard block will be corrosive to the steel and paint. Concrete is a daily work that must be done, the steps are as follows:

1. Rinse the feeding port with water before each charging to keep the feeding port moist during charging;

2. Fill the cleaning water tank provided with the vehicle with water while loading;

3. Rinse the feeding port after loading, and wash the residual concrete near the feeding port;

4. After unloading at the construction site, rinse the discharge chute, and then add 30-40L of cleaning water to the concrete storage tank to keep the concrete storage tank rotating forward and slowly when the vehicle returns;

5. Remember to discharge the sewage in the concrete storage tank before the next loading;

6. Thoroughly clean the concrete storage tank and the surrounding of the inlet and outlet at the end of each day to ensure that there is no cement and concrete agglomeration.

Second, the external cleaning steps of the concrete mixer truck engine:

Step 1: First, cover the electric mixer with plastic film, and then cover the upper side of the film with a semi-moist towel to prevent high-pressure water from rushing into the distributor, making it difficult to start the mixer.

Step 2: Use a high-pressure water gun to clean the adhering dirt on the inside of the engine room and the outside of the mixer engine from the side of the mixer truck in the order from top to bottom.

Step 3: Directly spray the external cleaning agent of the mixer truck engine evenly on the wetted mixer truck engine and the periphery of the engine room. After three minutes, use a fiber brush to clean all the parts that can be touched in the engine room.

Step 4: Use a high-pressure water gun to quickly rinse off the dirt.

Step 5: Then spray the external cleaning agent of the mixer truck engine on the surface of the engine, the operation steps are the same as above, and repeat until the surface of the mixer truck engine is cleaned.

Step 6: Afterwards, dry the cleaned mixer engine with a semi-moist towel, and use a vacuum and water-absorbing air dryer to dry the places that are not easily reachable by hands, and then air dry.

Step 7: Polish the plastic rubber parts inside the engine compartment with plastic rubber protectant, and then coat the metal parts.

Step 8: Use a clean non-woven polishing towel to inspect the engine of the mixer truck and the inside of the engine room after the care has been completed.

3. Steps for cleaning the stains at the rear of the concrete mixer truck

The cleaning of the stains at the rear of the concrete mixer truck is divided into two steps, one is cleaning when receiving materials, and the other is cleaning after unloading.

1. Cleaning when the concrete mixer truck is receiving materials:

When receiving materials at the bottom of the mixing station, the stains are concentrated on the upper part of the rear of the mixer: this process is in the process of receiving materials at the bottom of the concrete mixing station. The whole set of equipment can rely on the mixing station as the skeleton, and the spray device is placed at a position slightly higher than the hopper of the mixer. , only in this way can the stain concentration be carried out from the upper part.

The cleaning method of stains is mainly carried out by high-pressure water spraying. Spray pipes are installed on the top, sides, and rear of the mixer truck in four directions to spray the rear of the mixer truck respectively to achieve all-round cleaning of concrete stains.

When the mixer truck enters the mixing station and aligns with the position of the material receiving port, the spray device first sprays the mixer truck once, and a layer of water film is formed on the surface of the mixer truck, which can further slow down the solidification and bonding process of the splashed concrete. Carry out the feeding operation. At this stage, it is the main process of concrete stains eroding the mixer body. The spray device regularly sprays the rear of the mixer truck again, which can quickly remove the newly adhered concrete stains and avoid the adhesion of stains. During the spraying process, it should be noted that due to the control requirements of the concrete composition, more spray water is not allowed to enter the inner surface of the hopper, but a layer of concrete residue is often attached to the inner surface of the hopper of the mixer truck, which can be used The water curtain sprays the inner surface of the mixer truck hopper quickly and comprehensively to realize the cleaning of the inner surface.


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