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Maintenance and repair of concrete mixer truckRelease time: 2015-10-10 Visits: 3608 times
As a transportation vehicle, the concrete mixer truck must comply with the provisions of the Ministry of Communications Decree No. 13 of 1990 and implement the maintenance system of "regular inspection, compulsory maintenance, and conditional repair". Under this premise, combined with the actual situation of the concrete mixer truck, do maintenance and repair. In terms of daily maintenance, in addition to the conventional maintenance of automobile engines, chassis and other parts, concrete mixer trucks must also do the following maintenance work.
Since the concrete will solidify into a hard mass in a short time, and it is corrosive to steel and paint, after each use of the concrete storage tank, the concrete adhered to the concrete storage tank and the inlet and outlet is necessary for daily maintenance. Serious work. These include:
a. Rinse the feeding port with water before each loading to keep the feeding port moist while charging;
b. Fill the washing water tank that comes with the car with water while loading;
c. After loading, rinse the inlet and clean the residual concrete near the inlet;
d. After unloading at the construction site, flush the discharge tank, and then add 30-40 L of washing water to the concrete storage tank; keep the concrete storage tank turning slowly at the forward speed when the vehicle returns;
e. Remember to discharge the sewage in the concrete storage tank before the next loading;
f. Clean the concrete storage tank and the surroundings of the inlet and outlet at the end of each day to ensure that cement and concrete agglomeration are not adhered.
As long as the above work is not carried out once, it will bring great trouble to the future work.
Concrete mixer truck after sales maintenance
One: Reasonably determine the protection period. The car protection cycle refers to the distance or time spent on car protection. In the process of practical application, the owner should refer to the protection period recommended by the automobile manufacturer, and make appropriate adjustments to the protection period in accordance with the skills of the car and the prerequisites for use. Generally speaking, the new car is used under the premise of excellent road conditions, and it is not necessary to protect it too frequently. The protection period of the manufacturer's rules can be used as the upper limit; while the car's skills are poor, or the use premise is poor, the protection period should be appropriately shortened.
Two: Abundant application free testing. The free testing activities carried out by concrete mixer truck manufacturers are very beneficial to car owners. The car owners can use these testing activities to carry out specific physical examinations of the car, find and remove some potential problems in real time, and then save the high maintenance and protection costs that can be presented in the future. .
The function of the driving device is to drive the concrete storage tank to rotate. It consists of a power take-off, a universal shaft, a hydraulic pump, a hydraulic motor, a control valve, a hydraulic oil tank and a cooling device. If this part stops working due to a failure, the concrete storage tank will not be able to rotate, which will cause the concrete in the car to be scrapped, and even the whole tank of concrete to be condensed in the tank, causing the concrete mixer truck to be scrapped. Therefore, whether the driving device is reliable or not is a problem that must be taken seriously in use. To ensure the integrity and reliability of the drive unit, the following maintenance work should be done:
a. The universal rotating part is a frequently-occurring part. Grease should be added on time, and the wear condition should be checked frequently, and repaired and replaced in time. The fleet should have a spare cardan shaft assembly to ensure that it can resume work within tens of minutes in the event of a failure.
b. Keep the hydraulic oil clean. The concrete mixer truck has a bad working environment, and it is necessary to prevent dirty cement and sand from entering the hydraulic system. The hydraulic oil should be replaced regularly as required in the instruction manual. Once water or sediment is found in the hydraulic oil during inspection, the hydraulic system must be shut down immediately to clean the hydraulic system and replace the hydraulic oil.
c. Ensure that the hydraulic oil cooling device is effective. Clean the hydraulic oil radiator regularly to prevent the radiator from being blocked by cement, check whether the radiator electric fan is operating normally, and prevent the hydraulic oil temperature from exceeding the standard. As long as the hydraulic part ensures that the hydraulic oil is clean, there are usually not many failures; however, the service life is different for different manufacturers.
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