At present, there are problems with both the pump’s mechanical seal and the fins of the air cooler; it seems that the installation was faulty. How can such issues be avoided?
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For newly installed units, the belts and fins of the air-cooled fans are always damaged. Has anyone encountered this issue? What are some solutions? 1. Can the relevant standards be controlled? 2. How to manage acceptance properly? What should be done in the case of widespread leakage in pump seals and broken air-cooling fins? How should newly commissioned units be evaluated in this regard? Who should be responsible under the contract. How long is the operation evaluation period for standard devices?
Is the belt of the air cooler damaged because it’s too tight? How long did the fins last before they became damaged? Generally, they shouldn’t break; damage usually occurs during manufacturing or transportation. As for leaks in the mechanical seal, it might be due to improper installation or frequent vacuum conditions in the pump. The original poster had better describe the specific operating conditions and usage time, take some photos, so that everyone can analyze them together. As for who is responsible for the repairs, I suggest you check the contract from that time; there is usually a warranty period, so just follow the terms outlined in the contract! If the equipment is insured, a claim can be filed depending on the specific circumstances.