Maintenance; Daily Maintenance - JRC JUE-87 Instruction Manual

4.1 Maintenance

Maintenance decides your equipment's life. Check the following items daily for a long life and extreme
performance of your equipment.
1) Keep input voltage in specific voltage range.
2) Try to compare the records with current status for finding a fault earlier.

4.2 Daily maintenance

The following table shows daily maintenance items using general tools.
Do not check or repair the internal equipment of JUE-87 by yourself.
Any electrical work by any person other than our specialized maintenance persons may cause
fire or abnormal operation of this equipment or electrical shock for you.
This equipment meets the technical standard of the Ministry of Internal affairs and
Communications (MIC).
Do not adjust the internal circuit or exchange the parts because the internal circuit is adjusted
strictly. When an abnormal operation is found, please contact to our sales department or
nearest branch office.
Item
Cleaning Clean the panel, the knob, the switch, the top cover and the button cover with a soft cloth or
silicon oil. Clean the internal of the equipment with the brush or cleaner.
Fastening Fasten the screw, the nut, the knob, the switch, and the connector.
4. MAINTENANCE
WARNING
Maintenance procedures
4-1
4