How to repair the air compressor at high temperature
This article is about how to repair the air compressor at high temperature. First, let's talk about the working principle of the air compressor, and then talk about the repair of the air compressor at high temperature in detail.
Working principle of air compressor:
After the driver is started, the crankshaft of the compressor is driven to rotate by the triangular tape, and is converted into the piston to reciprocate in the cylinder through the crank rod mechanism. When the piston moves from the cover side to the shaft, the cylinder volume increases, the pressure in the cylinder is lower than the atmospheric pressure, the outside air enters the cylinder through the filter and the suction valve; after reaching the bottom dead center, the piston moves from the shaft side to the cover side , the suction valve is closed, the cylinder volume gradually becomes smaller, the air in the cylinder is compressed, and the pressure rises. When the pressure reaches a certain value, the exhaust valve is pushed open, and the compressed air enters the air storage tank through the pipeline, so the compressor starts over and over again. It works continuously, and continuously delivers compressed air to the air storage tank, so that the pressure in the tank is gradually increased, so as to obtain the required compressed air.
Repair method of air compressor at high temperature:
First, confirm whether the temperature measuring element of the machine is faulty. You can use another temperature measuring instrument to check it. If it is confirmed that the temperature measuring element is correct, then check the temperature difference between the inlet and outlet of the oil cooler, which is normally between 5 and 8 degrees.
If the temperature is greater than this range, it means that the oil flow is insufficient, the oil circuit is blocked, or the temperature control valve is not fully opened, please check the oil filter (use an alternative oil filter to consider whether the flow is insufficient), if there is a pre-filter, please check . For some models, please adjust the oil flow to a larger value first, and check whether the temperature control valve is normal. You can remove the valve core, close one end of the temperature control valve, and force all the oil to pass through the cooler. It is necessary to consider whether the oil circuit is blocked by foreign objects.
