Removal knowledge of water-stopping screw
Water-stopping screws may cause damage to the water-stopping screw if the air transfer time is too long or unreasonable for the material selection of the water stop screw rod. The application and disassembly of water-stopping screw is also a kind of professional technology, what about the demolition of the water-stopping screw rod?
1. To remove the connecting parts between the nozzle and the nozzle and the cylinder, separate the rear key joint of the screw from the drive shaft.
2. Remove the connecting flange, push the screw forward, remove the screw head connection thread immediately when the screw head is exposed to the barrel.
3. Remove the reverse ring and seal ring on the screw rod.
4. The above-mentioned parts should be immediately hot with a copper brush, shovel-type tools to remove the removed nozzle, reverse ring, sealing ring and screw residual material. Special difficult to clean the sticky material, should be placed in the oven to heat, set the minimum temperature to soften the material, and then remove the residue.
5. After the demolition and clean-up work is completed, the various parts of the screw should be assembled together, and the joint parts of the thread should be coated with molybdenum disulfide heat-resistant grease, so as to facilitate the next demolition
6. Temporarily do not use the screw after cleaning the surface to apply protective oil, wrapped, hanging in the ventilation safety.