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      來源:http://www.jnhsjlm.com 日期:2020-11-04 發布人:guanli
      In fact, the customers who have used the electric rolling shutter door know that the zoom will fall off after using for a period of time. Do you know what causes this phenomenon? Next, Jinan garage door rolling shutter door manufacturers will be introduced below, hoping to help you.
      1. The motor shall be well lubricated during operation. The general motor runs for about 5000 hours, that is, the lubricating grease should be supplemented or replaced. When the bearing is overheated or the lubrication is deteriorated, the hydraulic pressure should change the lubricating grease in time.
      When replacing the grease, the old lubricating oil should be removed, and the oil groove of bearing and bearing cover should be cleaned with gasoline. Then, zl-3 lithium grease should be filled into 1 / 2 (for 2ji) and 2 / 3 (for 4, 6 and 8ji) of the cavity between the inner and outer rings of the bearing.
      2. When cleaning the cord fabric, use soft cotton cloth to wipe it. It is easy to scratch the surface with coins. When the stain is too heavy, you can use cleaning agent, toothpaste, special cleaning agent, etc. After decontamination, wipe with water, and then dry, the correct cleaning method can make the fast shutter door always keep bright as new.          
      3. When the electric rolling shutter door body is running, there are no children or objects under the door body, so as to avoid injury to children or articles during operation.
      4. When the thermal protection of the motor continuously acts, it is necessary to find out whether the fault is from the motor or overload or the setting value of the protection device is too low. After the fault is eliminated, it can be put into operation.
      5. Pay attention to the edges and corners do not rub too much, or it will cause the angular epidermis to fall off.
      6. Observe whether there is abnormal noise during operation. If there is abnormal noise, the technician shall be informed for maintenance.
      7. As the door body is always in the tension state of torsion spring, if repair and maintenance work is needed, contact technical personnel for operation
      8. Before use, the door can be operated only after the effective debugging by the staff.
      The above is about the electric roller shutter door corner off the 8 reasons, hope to help you, if you want to know more, please click the website: Jinan garage door http://www.halc9bit.com 。

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