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Description

Instructions for use

01. The hydraulic filter element is used in the hydraulic system to filter out particles and rubber impurities in the system to ensure the cleanliness of the hydraulic system. When refueling, the hydraulic oil must be filtered, and the refueling tools should be clean and reliable. The filter at the filler port of the hydraulic oil tank cannot be removed in order to increase the fueling speed. Fueling personnel should use clean gloves and work clothes.

02. Ensure that the hydraulic oil is not used at high temperatures; the oil will quickly oxidize and deteriorate at high temperatures; the air filter on the hydraulic station should use a filter that can filter both particles and moisture; it is sold on the market;

03. The cleaning oil of the hydraulic system must use the same brand of hydraulic oil as the system used, and the oil temperature is between 45~80℃. Use a large flow to remove the impurities in the system as much as possible. The hydraulic system should be cleaned more than three times repeatedly, and all of it will be discharged out of the system when the oil is hot after each cleaning. After cleaning, clean the filter again, and add new oil after replacing the new filter element.

Supplementary note: The filter element is originally a consumable product, and it needs to be replaced immediately after it is usually blocked. Pay attention to the system oil tank and pipelines to be flushed clean. When refueling, pass through a refueling device with a filter. Do not let the oil in the tank directly contact the air. Do not mix new and old oils. It is helpful to extend the service life of the filter element.

Maintenance items

01. Drain the original hydraulic oil before replacement, check the oil return filter element, suction filter element, and pilot filter element to see if there are iron filings, copper filings or other impurities. If there are hydraulic component failures, clean the system after troubleshooting. .

02、更换液压油时，必须同时更换所有液压油滤芯（回油滤芯、吸油滤芯、先导滤芯），否则相当于不更换。

03、识别液压油标签。不同标签、不同牌号的液压油不能混用，可能会发生反应变质产生絮状物。建议使用指定的挖掘机机油。

04、加油前必须安装吸油滤芯。吸油滤芯覆盖的喷嘴直接通向主泵。杂质的进入会加速主泵的磨损，如果重则用泵。

05.加油至标准位置，液压油箱上通常有油位计，请检查油位计。注意停车方法，一般油缸全部缩回，即前臂和铲斗完全伸出并着地。

06、加油后注意主泵排气，否则整车暂时不动，主泵发出异响（空气音爆），主泵气蚀损坏。排气的方法是直接松开主泵顶部的管接头，直接加满。