Control panel maintenance
The technical points of control panel maintenance are as follows:
The screen shall be kept clean without dust and water dew.
The key receiving point of the relay shall be checked and replaced regularly, and the program control system shall be verified regularly.
The calipers of cable terminals shall be inspected regularly to ensure close contact and no corrosion.
After maintenance, cables shall be arranged neatly and classified clearly.
. instrument maintenance
The technical points of instrument maintenance are as follows:
All parts shall be clean and free of corrosion; Clear dial scale; Nameplate, mark and lead seal are intact; Check and replace the moisture-proof agent regularly.
Use alcohol, cleaning agent, ultrasonic and other methods to clean parts. It is strictly prohibited to use cleaning agents that damage parts.
All components, probes, converters and calculators in instruments and meters shall be overhauled regularly.
Professional technicians shall be responsible for the maintenance of instruments and meters. For the maintenance of valuable instruments, contact the professional maintenance department or manufacturer, and do not disassemble them at will.
Instruments and meters included in the scope of national compulsory verification shall be submitted to the technical supervision department for verification on time.
The grounding of instrument box and electrical control cabinet, the grounding resistance and wiring of lightning rod of gas storage cabinet shall be checked regularly by a certified electrician to prevent accidents caused by broken grounding wiring, false grounding or excessive resistance in thunderstorm season.
Large instruments shall be repaired and maintained according to the requirements of the factory operation manual. In case of difficult to judge faults, please ask the after-sales service department of the manufacturer for maintenance.
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