1. Transportation and storage of the conservator

①Special attention: In order to prevent the damage of bellows in the conservator, dry gas must be filled into the conservator before transport package. The bellows should be pressed in the conservator before transportation.

②Aeration means: Open the breath vent, close exhaust vent, and fill in dry gas from the oil injection vent. Until the oil level indication is more than 10, yellow transport line appears, and the line is overlapped with the red line of the window. When the pressure reaches about 0.04MPa, stop inflating and quickly close the filling port.

Note:Theconservator not shall be transported when it is not in thepressing state.It is not allowed to be installed when it is delivered to the site but not in thepressing state.

③The cylinder body of the conservator should be prevented from being impacted and extruded during transportation and handling, so as to avoid deformation and influence the work of the inner bellows. Take care to prevent colliding cylinder and oil window. It is strictly forbidden to carry the conservator or the bellows without absorbing and fixing transportation.

④When storing the conservator, the moisture and rainwater should be prevented from entering conservator, the exhaust vent and oil injection vent should be sealed, keep the breath vent open.

2. Installation and oil injection

①Release pressure: Open the breath vent, exhaust vent and oil injection vent, release the internal pressure of the conservator, and when opening the vent, the gas should be spurted strongly.

②Expand bellows: The exhaust vent keeps open, fill the dry air from the breath vent, and close the breath vent when the oil level indicates 0.

③Installation:The conservator is installed in the position, connected with the transformer pipeline, and fix conservator. Connect the oil injection pipe and exhaust pipe to the lower part of the transformer and connect the valve with reliable seal. Connect the control circuit of oil level alarm device. After installation, prepare oil injection.

④Inject insulating oil: Open the valve of the breath vent and exhaust vent, and fill the conservator with oil from the transformer body or the oil injection vent;

⑤Set the oil level: The oil level indicator is continuously raised after oil injection, and when the indicator is close to the value corresponding to the oil temperature, close the breath vent. Continue to inject until the air in the conservator is discharged from the exhaust vent and the oil is stable outflow, then close the exhaust vent and stop the oil injection.

⑥Exhaust: Stand for 1~2h after the first oil injection, then exhaust the gas again from the conservator (keep the breath vent closed).

⑦Adjust the oil level: Open the breath vent to check whether the oil level is corresponding to the oil temperature curve. If the oil level is high, the oil should be properly discharged from the oil injection vent. If it is low, the oil can be replenished properly.

※Note: The working stateof the conservator is the breath vent is normally open, the exhaustvent and oil injectionvent are sealed reliably.