Because operators are busy and tired in daily work, it is easy to ignore some details of daily maintenance. It is customary to wait until the machine breaks down before carrying out maintenance. In fact, the failure of daily small parts not only affects the operation of the component itself, but also affects the work of related parts. Therefore, routine maintenance is more important than troubleshooting. The maintenance of excavator mainly focuses on the power system and hydraulic circulation system. The hydraulic circulation system of construction machinery is manufactured precisely. It is composed of hydraulic main pump, hydraulic oil tank, distribution valve, hydraulic oil cylinder, rotary motor, traveling motor and a large number of pipes. Hydraulic system is a very important part of excavator. Failure to maintain or improper maintenance will lead to various failures. Therefore, it is very necessary to do a good job in daily maintenance. This article will summarize what should be done and the importance of daily cleaning of the hydraulic system. For reference only.
1. Keep the hydraulic oil clean
The hydraulic oil must be stored in a clean place and sealed. When changing the oil, use a clean funnel equipped with a fine mesh screen to pour the oil from the container into the oil tank. If the hydraulic oil contains impurities, the valve will be stuck, the pump will be scratched, and the oil port will be blocked. Finally, it causes machine failure.
2. Keep the hydraulic system clean
Regularly replace the hydraulic oil and hydraulic oil filter. Because there are many additives in the hydraulic oil. The main function of these additives is to prevent the deterioration of hydraulic oil. However, it will expire after 5000 hours. At this time, the hydraulic oil should be replaced with a new one. In addition to changing the oil, the water and sediment in the oil tank should also be drained regularly. If there is sediment in the oil tank and it is not cleaned, it is useless to replace the hydraulic oil. The impurities in the oil tank will also circulate to the hydraulic components with the new oil, thus causing damage to the hydraulic components. Once a certain hydraulic element is found to be seriously worn, the hydraulic oil must be checked when a new part is replaced.
3. Keep the working area clean
When filling the oil tank, make sure that the area around the filter tank cover is clean. Use only clean funnels or containers. Do not bring dirt into the system. When maintaining the hydraulic system, only use clean plastic plugs to seal the ends of the lines. When maintaining hydraulic components, the workbench must be absolutely clean. Check the condition of the tools used. They must also be clean.
