If the shock absorber of the mixer fails or has problems, you should first check whether the shock absorber has oil leakage, press the bumper firmly, and then release it. If the mixer has two or three jumps, it shows that the shock absorber is good. When the mixer truck is running slowly, emergency braking is required. If the vibration of the vehicle is severe, it indicates that there is something wrong with the shock absorber. It is necessary to remove the shock absorber and put it upright. Clamp the lower end connecting ring on the bench vice, and pull and press the shock absorber rod several times. At this time, there should be stable resistance. The resistance upward should be greater than the downward resistance. If the resistance is unstable or there is no resistance, it may be the shock absorber In case of internal oil shortage or valve parts damage, repair or replacement parts shall be terminated and sent to repair immediately.
The oil leakage of the shock absorber of mixer truck is generally caused by the following reasons:
1. The internal cleanliness of the shock absorber is not good enough, and there are welding slag, iron chips and other debris causing oil seal wear.
2. The working conditions of the shock absorber are relatively bad, and the external sand and other debris enter the oil seal, causing its wear and oil leakage.
3. The lip of shock absorber oil seal is aged and lost its sealing function.
4. It may be that when spraying the chassis armor, the shock absorber is not well covered, and the armor is attached to the shock absorber piston rod, resulting in oil seal wear and oil leakage.
5. The supporting rod controlling the piston movement needs to be extended at one end of the metal pipe, so this part must be sealed tightly. The general oil leakage is directly related to the loose sealing.
6. Oil leakage of hydraulic shock absorber of general mixer truck indicates that its service life is up.
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