Gasket replacement in a transformer is a critical maintenance procedure to prevent oil leaks and maintain the transformer's sealed integrity. Gaskets are used at joints such as the main tank, radiator, and conservator connections to provide a tight seal. Over time, due to aging, heat, and pressure, gaskets can harden, crack, or lose elasticity, leading to oil seepage or moisture ingress. During replacement, the transformer is de-energized, oil levels are lowered as needed, and old gaskets are carefully removed and replaced with new ones. Ensuring proper alignment and torque during installation is essential to avoid future leaks and ensure reliable operation.
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