Although the brightness of the fireproof door just bought is better, but in the future use, because the external protective film is removed, it is easy to be attached to some dust or oil stains in the outdoor environment for a long time. This will greatly reduce the brightness of the fire door. How should we maintain fire doors? Let's learn with the experts of Dalian Golden House Door & window Mfg Co., ltd.
Experts from Golden House fire door manufacturers suggest that everyone must clean regularly. Use a professional cleaning fluid and water in a ratio of 1:2. After mixing and evenly, put this cleaning fluid into the sprayer, and then it can be on the fire door. Spray evenly, and wipe gently with a soft cotton cloth after spraying.
1. if you feel more laborious when opening the door, you can apply more lubricating oil to the movable bolt at this time, so that the resistance when opening the door can be reduced.
2. if there is excessive metal friction when opening the door, it means that the door hinge lacks lubricating oil, and there is another possibility that the door hinge is damaged. You can apply some lubricating oil first to see if the sound of this metal friction will weaken or disappear. If there is no change, you need to find experts from the fire door manufacturer to repair it for you at this time.
3. If there is no way to insert the key into the fire door, you need to check whether there are foreign objects inside the key hole of the fire door at this time. If the hole is blocked by a foreign object, you need to be careful at this time. Professional maintenance personnel should repair it. service.
