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Explosion-proof electrical appliances paint, maintenance precautions
Explosion-proof electrical equipment painting and repair is a highly specialized and safety-critical task, requiring strict adherence to procedures. It's crucial not to skip any steps or take shortcuts due to the complexity of the work. When applying anti-rust and protective coatings, care must be taken to avoid contaminating the explosion-proof surfaces, as even minor damage can compromise the equipment's safety.
Before starting any maintenance, it's essential to inspect and test the explosion-proof performance according to the specified standards. All key parameters should be recorded. If the equipment fails the test, the root cause must be identified, repaired, and retested until it meets the required standards. Once the electrical tests are successfully completed, an inspection and maintenance certificate should be issued, signed, sealed, and stored in the inventory for future reference.
A clear maintenance responsibility system must be followed: whoever performs the maintenance is fully responsible for its quality. Each technician must carefully inspect the equipment according to established explosion-proof standards. If the equipment cannot be safely repaired or is too damaged to restore, it should be scrapped. Proper markings should be made, and the equipment should be sent to a designated disposal area.
After each overhaul, detailed maintenance records and test reports must be compiled and kept on file. Every piece of explosion-proof equipment should be assigned a unique number for tracking purposes, and a repair file should be created. This file should include the equipment number, type, date of repair, inspection details, replaced components, settings of safety devices, rated current values of fuses, and other relevant information. The document should also include signatures from the personnel involved.
Finally, all tools, meters, and materials used during the maintenance should be accounted for, and the work area should be cleaned thoroughly. No electrical equipment should be left at the site until it has been properly parked and secured.