In the hydraulic system, the hydraulic oil filter element is used to filter out solid particles and colloidal substances in the working medium. It can effectively control the pollution degree and protect the normal operation of mechanical equipment. It is an indispensable part of the transmission medium pipeline series.

Hydraulic filter elements are widely used in iron and steel, electric power, metallurgy, shipbuilding, aviation, papermaking, chemical industry, machine tools and construction machinery, construction machinery and other fields.

How to use the hydraulic oil filter correctly

●Let go of the original hydraulic oil in the tank first, check the hydraulic oil filter element to see if there are iron scraps, copper scraps or other impurities attached, and clean the system after inspection and removal. 

●Distinguish the grade of hydraulic oil. The mixed use of hydraulic oil of different grades and brands will cause the hydraulic oil filter element to deteriorate due to reaction and produce flocs.

●The hydraulic oil filter element must be installed before refueling, and the nozzle covered by the hydraulic oil filter element leads directly to the main pump.

●Do not let the oil in the oil tank directly contact with the air. After adding oil, pay attention to the main pump to vent the air. The way to vent the air is to loosen the pipe joint on the top of the main pump and fill it up directly. 

●Regularly check the oil quality. The hydraulic filter elementis a consumable item and needs to be replaced immediately if it is clogged; pay attention to flushing the system oil tank and pipeline, and refueling through a refueling device with a filter.

Replacement method of hydraulic oil filter element

●Close the oil inlet ball valve and open the upper cover

●Unscrew the plugging wire of the sewage outlet to drain the dirty oil

● Loosen the fastening nut on the upper end of the filter element, the operator wears oil-proof gloves to hold the filter element tightly, and remove the old filter element vertically upwards

●Replace with a new filter element, pad the upper sealing ring, and tighten the nut

●Close the drain valve, cover the upper end cover, and fasten the bolts

●Tighten the plugging wire of the sewage outlet, cover the upper end cover, and tighten the fastening bolts

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