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Car Repair Lifts Maintenance Of Hydraulic Systems

Car Repair Lifts Maintenance of hydraulic systems

For mechanized construction enterprises, the technical situation of construction machinery is good or not the direct production of enterprises can be a direct factor. In terms of hydraulic transmission of the construction machinery, the normal operation of the hydraulic system is a good sign of its good technical condition. Qualified hydraulic oil is the reliable operation of the hydraulic system protection, the correct maintenance is the fundamental operation of the hydraulic system. To this end, according to their work practice, the general operating environment in the construction machinery hydraulic system maintenance for a rough discussion.

Choose the right hydraulic oil

Hydraulic oil in the hydraulic system plays a role in transmission pressure, lubrication, cooling, sealing, hydraulic oil selection is not appropriate is the hydraulic system early failure and the main reason for the decline in durability. The hydraulic oil should be selected according to the grade specified in the random "instruction manual". In case of using the substitute oil, the performance should be the same as that of the original grade. Different grades of hydraulic oil can not be mixed to prevent the hydraulic oil to produce chemical reactions, performance changes. Dark brown, milky white, smell the oil is metamorphic oil, can not be used.

To prevent solid impurities into the hydraulic system

Clean hydraulic oil is the life of the hydraulic system. There are many precision coupling in the hydraulic system, some with damping holes, and some gaps and so on. If the solid impurities will cause the invasion of precision sprue, hairpin, oil blockage, etc., endangering the safe operation of hydraulic system. General solid impurities in the invasion of hydraulic systems are: hydraulic oil is not clean; refueling tools unclean; refueling and maintenance, maintenance carelessness; hydraulic components desquamation and so on. Can prevent the solid impurities from the following aspects of the invasion system:

When refueling

The hydraulic oil must be filtered and refueled, and the refueling tool should be clean and clean. It is not possible to remove the filter at the fuel filler port in order to increase the fueling speed. Refueling personnel should use clean gloves and overalls to prevent solid impurities and fiber impurities from falling into the oil. Maintenance time

Remove the hydraulic tank fuel filler, filter cover, test hole, hydraulic tubing and other parts, resulting in the system when the oil channel to avoid dust, the demolition of the site must be thoroughly cleaned before opening. If you remove the oil tank cover, remove the dirt from the tank cover, loosen the tank cover, remove the debris remaining in the joint (can not be washed with water to avoid water infiltration tank), confirm the cleaning before opening the fuel tank cover. If you need to use the wipe material and hammer, you should choose not to wear fiber impurities and rubbing the material attached to the rubber hammer. Hydraulic components, hydraulic hose to be carefully cleaned, with high pressure air dry after assembly. Selection of packaging integrity of the genuine filter (inner packaging damage, although the filter is intact, it may be unclean). Oil cleaning at the same time cleaning the filter, install the filter before the application of wiping the material carefully clean the bottom of the filter shell dirt.

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