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figure 8-16 Oil Level Indicator
The dial is divided in levels:
Under - (MIN)
Nominal - (25°C)
High - (MAX)
The transformer is equipped with an oil level indicator. The transformer will stop operating if
the oil level falls below the lowest scale on the oil level indicator or below the oil level scale
required for safe operation of the transformer.
When the oil level is excessively high, open the drain valve to lower the oil level.
When the oil level is excessively low, disconnect the transformer and check the oil tank for
leakage. If so, open the oil filling valve to fill the oil tank.
8.9 Schrader valve
The schrader valve is used to fill the nitrogen blanket.
8 Components and Accessories User Manual
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