5 Reasons for Oil Seepage from Excavator Hydraulic Line Fittings

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Excavators, especially those equipped with crushers, require frequent impacts of the hydraulic oil pump to provide sufficient power for the digging bucket and crushing hammer when working. However, in the excavator hydraulic system, oil seepage often occurs at the hydraulic pipe joints, and this problem cannot be ignored. The following is a detailed analysis of the causes of this phenomenon:

1. Brief description of the working principle

Excavator crusher in the work, the hydraulic oil pump will frequently generate hydraulic shock to ensure that the bucket and crusher can work properly. This high-frequency hydraulic shock, the hydraulic system components, especially the hydraulic pipe joints put forward high requirements.

2. Cause of Hydraulic Pipe Joint Oil Seepage

1.  Loosening due to vibration and shock: During excavator operation, strong vibration and hydraulic oil shock may loosen the threads of the hydraulic pipe joints, resulting in oil seepage. Therefore, it is vital to regularly check the tightness of the pipe joints.

2.  Materials do not meet the standard: If the material of the hydraulic pipe joints dose not meet the standard, then in the strong vibration, 60 degrees or 74 degrees connection sealing may appear vibration lines, resulting in oil leakage. At this point, even if the confinement can not solve the problem, because the seal has been damaged.

3.  Seals and oil seals aging or damage: Seals and oil seals are important components in the hydraulic system, they will be affected by various factors in the working process, such ass temperature, pressure, etc.. Over time, these parts may age or become damaged, leading to oil seepage. Therefore, regular replacement of seals and oil seals is an effective measure to prevent oil seepage problems.

4.  Improper operation and maintenance: The operating habits and routine maintenance of the excavator operator will also have an impact on the operating condition of the hydraulic system. If the driver does not use the excavator in accordance with the requirements of the regulations, or daily maintenance work is not in place, may lead to occurrence of hydraulic pipe joint oil seepage.

To summarize, the problem of oil seepage from hydraulic pipe joints of excavators is the result of a combination of factors. In order to solve this problem, we need to start from a number of aspects, including regular inspection of pipeline joints tightness, to ensure that the joint material is up to standard, the regular replacement of seals and oil seals, as we as standardize the operating habits of the driver and daily maintenance work. Only in this way can we ensure the stable operation of the excavator’s hydraulic system and improve work efficiency and safety.


Post time: Nov-25-2024