China Tap Changer,Transformer Tap Changer manufacturer, choose the high quality Tap Changer Transformer,Off Excitation Tap Changer, etc.

1. Inspection, maintenance and commissioning of core suspension of tap changer.

2. Cleaning, leak detection and maintenance of tap changer oil chamber.
3. Inspection, cleaning, oiling and maintenance of driving mechanism
4. Inspection and maintenance of oil conservator and its accessories
5. Inspection, maintenance and calibration of oil flow control relay (or Gas Relay,Buchholz Relay), over pressure relay and pressure relief device.
6. Inspection of automatic control device.
7. Treatment of insulating oil in oil conservator and oil chamber
8. Inspection, maintenance and commissioning of motor mechanism and other components.
9. Check the sealing of all parts and deal with oil leakage.
10. Inspection, maintenance and commissioning of electrical control circuit.

11. Connection verification and commissioning of tap changer and electric mechanism.