A detailed Air Cooled Transformer ANNUAL preventive maintenance checklists
Visual Inspection
- Examine the transformer casing for dents, scratches, or cracks.
- Look for rust or corrosion spots, especially at joints.
- Ensure protective coatings are intact and not peeling.
- Check for loose connections or frayed wires.
- Look for discoloration or burn marks around terminals.
- Ensure all connections are tight and properly insulated.
- Remove any dust, dirt, or debris from the surface.
- Check for any obstructions that could impede airflow.
- Ensure that cooling areas are clear and accessible.
- Inspect grounding wires for tightness and integrity.
- Look for corrosion or rust on grounding connections.
- Ensure the grounding system complies with safety standards.
- Look for cracks or cuts in insulation.
- Check for discoloration or burnt areas.
- Ensure connectors are secure and not corroded.
- Assess the overall condition and alignment of cables.
- Inspect for oil or coolant stains on the ground.
- Look for wet spots or puddles near the base.
- Check seals and gaskets for integrity.
- Monitor for unusual odors indicating leaks.
- Remove debris from cooling fins.
- Inspect fans for physical damage or wear.
- Ensure fans rotate freely without obstruction.
- Check for dust accumulation on fins.
- Check screws and fasteners for tightness.
- Examine panels for cracks or corrosion.
- Ensure covers fit properly and align with housing.
- Inspect for missing or damaged components.
- Inspect for nests or droppings near the transformer.
- Check for entry points used by animals.
- Ensure the area is clean and free of debris.
- Consider installing barriers to prevent intrusion.
- Inspect nameplate for corrosion or fading.
- Ensure all data, including ratings, is clear.
- Check for any loose or missing screws.
- Clean the nameplate if necessary.
- Look for standing water or pooling areas.
- Check for debris blocking drainage paths.
- Assess grading of land surrounding the transformer.
- Ensure gutters and downspouts are functioning.
- Inspect for any damaged or missing signs.
- Check that signs are placed in visible locations.
- Ensure text and symbols are clear and understandable.
- Replace any signs that are not reflective of current hazards.
- Inspect for debris blocking air flow.
- Check that grills or louvers open and close smoothly.
- Monitor for signs of overheating due to blockage.
- Ensure proper air circulation around the transformer.
- Inspect surfaces for any color changes or burns.
- Look for warped or melted components.
- Check temperature readings against normal operating levels.
- Assess if surrounding equipment shows signs of heat damage.
Use in Manifestly