How to easily remove and install the cooler
Source: http://le-signal.com/ Time: 2017-03-17
The cooler will inevitably encounter various faults and problems during use. Some faults can be solved by disassembly and inspection by yourself, but special attention should be paid when disassembling and reinstalling. The steps should not be messy or casual. Dismantling, or although the original problems were solved, it added more problems that did not exist, and added too much trouble.
Before disassembling the cooler, you should close the oil and water inlet and outlet valves, release the trapped medium, and then start disassembly. When disassembling, first remove the return water cover and the water separation cover, and check the seal ring and the cooler tube for damage or scale. If there is too much dirt blocking the cooler tube, you should unblock or replace one. These are all Immediately carried out; if the tube bundle of the cooler needs to be pulled out, it should be removed from the direction of the fixed tube sheet first, and the large cooler can be fixed with the tube sheet facing down, and then the shell is lifted by lifting equipment, so that the tube bundle is exposed , You can unplug it.
After disassembly, install it. You can replace the sealing rings with new ones before assembly. The assembly method is to install in accordance with the reverse process of disassembly. After the installation, the air tightness test of oil test and water test is performed. Test pressure Should be greater than 1.2 times the actual working pressure.
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