1. Preliminary Preparations
Confirm the hazardous area classification (Zone 0/1/2) and select equipment with a matching explosion-proof marking (e.g., Ex dⅡC T4).
Check that the explosion-proof surfaces of the equipment are intact, the sealing rings are not aged, and all fasteners are present.
2. Fixing and Wiring
Use the original explosion-proof bracket, fixed with M10 or larger stainless steel bolts, with a load-bearing capacity of at least 1.5 times the weight of the equipment.
Cables should be routed through galvanized steel pipes or explosion-proof flexible conduits, with a bending radius ≥ 6 times the pipe diameter. The cable entry point should be sealed with a rubber sealing ring.
3. Debugging Points
Avoid having completely black objects or water in the field of view to prevent infrared light absorption from affecting night vision performance.
Test the infrared light illumination range to ensure a clear image in complete darkness.
II. Maintenance Specifications
1. Daily Inspection
Regularly clean oil and grease from the sealing rings to prevent aging; apply 204 anti-rust oil to the explosion-proof surfaces.
Check the grounding resistance (≤4Ω); multiple grounding points are required in oil tank areas.
2. Troubleshooting
Do not perform maintenance while the power is on. After disconnecting the power, hang a warning sign and move the equipment to a safe area for repair.
Unstable power supply may cause infrared failure; prioritize checking the wiring.
Precautions
Strictly prohibit altering the equipment structure or filling with sealing putty; avoid impact on the explosion-proof surfaces.
Establish equipment files to record installation and maintenance data throughout the equipment's lifecycle.
