Many friends want to buy a second-hand concrete mixer truck, but because the condition of the cement mixer truck is different, it is difficult for newcomers to judge the condition of a second-hand mixer. How to judge the condition of the used mixer truck and reduce unnecessary losses. In this article, we will share some methods and hope to help you.
1. The age of the mixer truck
The ex-factory time is printed on the nameplate of the used concrete mixer truck, which is the most direct proof of the ex-factory time. The engine number and chassis number of the car are printed on the nameplate at the same time. The authenticity of this nameplate can be verified by looking up the steel numbers printed on the engine block and frame.
In the case of a missing nameplate, you can know the exact time of delivery of the number of cars through the sales department of the car manufacturer according to the steel number printed on the engine and the frame. Knowing the time when the vehicle leaves the factory, you can roughly know how many years the vehicle can be used. This is the most important aspect of evaluating the use value of the used mixer.
2. Mileage
The service life of used cement mixer truck is determined by the time of use or mileage. Generally, after the mixer trucks travel 150,000 kilometers to 200,000 kilometers, their technical performance is significantly reduced, resulting in a decline in the performance of the car, that is, the safety of the car, Fuel economy, maneuverability, and ride comfort deteriorate. The mileage of the car can generally be read directly from the odometer. Some vehicles have malfunctions due to the replacement of the odometer or the odometer mechanism. The reading of the odometer cannot directly reflect the mileage. At this time, it can only be based on the use time of the mixer and the driver’s car. Frequency estimation.
3. Check the body condition
(1) View cement mixer truck paint
Check if the cement tanker trailer paint meets normal aging. For example, in cars of five or six years, the paint of some places is still as bright as new. This kind of car is either painted or just changed parts. Because a normal car for five or six years will not be painted, a second-hand mixer that meets normal aging is more cost-effective.
(2) Check the appearance of the front of the cement mixer truck
Check to see if the car has been repaired. Commercial vehicle accidents are basically concentrated in front of the car. This place always bears the brunt of accidents due to frontal collisions. If there are signs of repair, you should pay attention to the damage at the front of the mixer truck beam and estimate the size of the accident. If it is just a general scratch or a small collision, it will basically have no effect on the vehicle condition. If the damage is serious, it should be treated with caution.
(3) Check the body integrity
Check the body integrity. Observe the joints of the cement tanker truck body. If the gaps of the joints are different, the lines are bent, the decorative strips are irregular or fall off, it proves that the car has had an accident and has been repaired. Check the protective plate, window, sink, floor, joints, luggage compartment, etc. If the corrosion is serious, it proves that the car is older
(4) Check the steering situation
Park the mixer truck on the flat ground, turn the wheels back, turn the steering wheel back and forth, and observe the looseness of the steering rod and ball joint pin. If the gap is large, the reliability of the steering operation of the mixer becomes poor.
4. Check the engine condition of the used mixer
(1) Check whether oil leaks
It is best to have no oil leakage and no traces of repair. If it is a Mixing Tank Truck with a long age, oil leakage, what is repaired is normal, and the price is relatively cheaper
(2) Check for noise
It is best not to buy a cement tanker trailer with too much engine noise.
(3) Check the color of the exhaust pipe
The gas emitted by the exhaust pipe is colorless or off-white. In addition, a cement mixer truck with blue smoke is not worth buying than a cement mixer truck with black smoke.
(4) Confirm whether there is a problem with the shift
Confirm that there is no abnormal noise when the engine rotates at low, medium and high speeds.
5. Check the speed reducer of second-hand mixer
(1) Unlike other models, the concrete mixer should pay special attention to the reducer. Generally, the reducer is imported, and the quality problem is not big. But some small-brand cars have small reducers, but large jars. As a result, the reducer will be seriously worn.
(2) The normal reducer should be free of oil leakage, and the screws should be uniform and not over tightened. If the fixing screws on the gear reducer have been twisted, but there are not many obvious times, you can also buy it. Mechanical things, failure repairs are normal, but if the gear reducer screws are miscellaneous, or the screws have been screwed many times Looks like, it is best not to buy or ask the reason clearly, please buy carefully.
6. The condition of the second-hand concrete mixer truck in good condition should meet the following standards:
(1) Good starting performance.
(2) The transmission shaft and drive axle are free of vibration and noise.
(3) After a 20-kilometer test run, the engine water temperature and the oil temperature of the transmission and drive axle are normal.
(4) Braking is sensitive and reliable.
(5) The front and rear wheels rotate normally.
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