A detailed Air Cooled Transformer ANNUAL preventive maintenance checklists 1. Visual Inspection
1. Visual Inspection
- Examine the housing for dents, scratches, or cracks.
- Ensure all mounting brackets are secure and intact.
- Look for signs of wear due to environmental factors.
- Check for any missing or loose screws or fasteners.
- Verify the tightness of all cable connections.
- Look for any signs of corrosion or oxidation.
- Inspect insulation for fraying or damage.
- Ensure cables are properly supported and not pinched.
- Check for wet spots or stains around fittings.
- Inspect seals for cracks or wear.
- Verify the area is clean and dry.
- Look for puddles or accumulated fluid underneath.
- Inspect cooling fins for dirt, dust, or blockages.
- Check fans for proper operation and noise levels.
- Look for any signs of physical damage.
- Ensure no obstructions are affecting airflow.
- Verify grounding connections are secure and intact.
- Look for signs of corrosion at connection points.
- Check grounding wire insulation for damage.
- Ensure grounding system meets safety standards.
- Inspect surfaces for discoloration indicating heat damage.
- Look for burnt or melted insulation.
- Check for unusual odors that could indicate overheating.
- Monitor temperature readings if available.
- Check that all labels are present and readable.
- Ensure labels are not faded or damaged.
- Verify that warning signs are properly placed.
- Replace any missing or illegible labels.
- Ensure adequate space around the transformer for airflow.
- Check that no obstructions block ventilation openings.
- Verify compliance with clearance regulations.
- Assess the location for potential hazards.
- Look for droppings or nests in the vicinity.
- Inspect for chewed wires or insulation.
- Ensure the area is clean and free from debris.
- Consider preventive measures against pests.
- Inspect all metallic parts for rust spots.
- Check welds and joints for signs of corrosion.
- Look for peeling or flaking paint.
- Ensure structural integrity of support systems.
- Inspect covers for cracks or missing sections.
- Ensure all fasteners are secure.
- Look for signs of wear or damage.
- Replace any damaged or missing components.
- Check that cables are properly secured and routed.
- Look for kinks or sharp bends in cables.
- Ensure cables are not resting on sharp edges.
- Verify there is no excessive tension on cables.
- Inspect insulation for cuts, tears, or discoloration.
- Look for signs of moisture ingress.
- Check for any signs of thermal damage.
- Ensure insulation is free from debris.
- Ensure the transformer is level and stable.
- Verify that mounting brackets are properly aligned.
- Check for any signs of shifting or movement.
- Assess for any misalignment that could cause stress.
- Inspect access panels for proper closure.
- Check for missing or damaged fasteners.
- Look for signs of wear on hinges or latches.
- Verify that panels are sealed to prevent contamination.
- Check for unusual noise or vibrations during operation.
- Inspect mounting points for signs of wear.
- Look for loose or damaged components.
- Ensure the transformer is securely mounted.
- Ensure there are no puddles or standing water.
- Check drainage paths for blockages.
- Look for signs of erosion or water damage.
- Verify compliance with drainage regulations.
- Inspect safety devices for proper installation.
- Test functionality of emergency shut-off switches.
- Ensure safety devices are easily accessible.
- Look for any signs of damage or wear.
- Inspect the area around the transformer for debris.
- Ensure that no equipment is blocking airflow.
- Check that cooling vents are clear and functional.
- Verify compliance with cooling requirements.
- Check nameplate for legibility and completeness.
- Look for signs of fading or damage.
- Ensure all essential information is present.
- Replace any damaged nameplates as necessary.
- Inspect barriers for physical damage or missing parts.
- Ensure guards are securely attached.
- Look for signs of wear or corrosion.
- Verify that barriers meet safety standards.
Use in Manifestly