To change the oil for screw air compressors, you must first know when to change the oil. Because the replacement of oil is more troublesome, not only the replacement cycle needs to be calculated, but also the added amount needs to be controlled. It should also be noted that if the air compressor is replaced with oil, if it is operated improperly or illegally, it may even cause some safety accidents.
First, it is necessary to pay attention to the replacement time of the screw air compressor oil.
The oil change of the air compressor should be completed after the unit is still hot and the oil and gas separator is depressurized. After the oil in the oil separator is released, the new oil is injected into the oil and gas separator and the oil level of the liquid level gauge is higher than “70â€. (Some screw air compressors are marked with a red line, and the red line is usually filled with oil at the top), tighten the refueling plug.
Second, pay attention to the amount of oil added.
Lubricant volume: For the screw air compressor, the oil has a specified amount. Too much weight not only causes waste, but also easily leads to high oil content of the compressed gas; if the amount is too small, it will not be able to play a very good lubrication effect, resulting in high temperature and high exhaust temperature of the air compressor system. When the amount of lubricant is insufficient, we must add or replace it.
Third, do not change the oil when the air compressor is turned on.
When changing oil to the air compressor, we must ensure that the screw air compressor has been turned off, the air return valve is turned off, and the air pressure in the standby is zero. Otherwise, the pressure in the air compressor will cause the oil to eject outside the machine and give the air pressure. Machine changers cause unnecessary damage.
Fourth, try to choose original oil
Once the deterioration of the lubricant can not meet the normal lubrication tasks, it will be a deadly hazard to the screw air compressor. Therefore, we need to inspect the lubricating oil regularly and find that it must be replaced if it deteriorates. In addition, for oils that have deteriorated, do not add them to the air compressor oil drums.
First, it is necessary to pay attention to the replacement time of the screw air compressor oil.
The oil change of the air compressor should be completed after the unit is still hot and the oil and gas separator is depressurized. After the oil in the oil separator is released, the new oil is injected into the oil and gas separator and the oil level of the liquid level gauge is higher than “70â€. (Some screw air compressors are marked with a red line, and the red line is usually filled with oil at the top), tighten the refueling plug.
Second, pay attention to the amount of oil added.
Lubricant volume: For the screw air compressor, the oil has a specified amount. Too much weight not only causes waste, but also easily leads to high oil content of the compressed gas; if the amount is too small, it will not be able to play a very good lubrication effect, resulting in high temperature and high exhaust temperature of the air compressor system. When the amount of lubricant is insufficient, we must add or replace it.
Third, do not change the oil when the air compressor is turned on.
When changing oil to the air compressor, we must ensure that the screw air compressor has been turned off, the air return valve is turned off, and the air pressure in the standby is zero. Otherwise, the pressure in the air compressor will cause the oil to eject outside the machine and give the air pressure. Machine changers cause unnecessary damage.
Fourth, try to choose original oil
Once the deterioration of the lubricant can not meet the normal lubrication tasks, it will be a deadly hazard to the screw air compressor. Therefore, we need to inspect the lubricating oil regularly and find that it must be replaced if it deteriorates. In addition, for oils that have deteriorated, do not add them to the air compressor oil drums.
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