Transformer Preventive Maintenance Checklist
Transformer Preventive Maintenance Checklist
Transformer Preventive Maintenance Checklist
Signature of incharge
S. Check points Checking method Jan. Feb. March April May June July
No.
Cleaning of bushing visually and manually
1 and check for cracks
in the bushing
Cleaning of the visually and manually
2 external surface of the
tank
Check the oil level in visually mention actual
3 the conservator tank value
and oil gauge
Check the condition of visually and manually
4 the silica gel, change
if required
Check vent pipes for visually and manually
5 cracks and leakage
Check for loose visually and manually
6 connection
Check for oil leakage visually and manually
7
Signature of incharge
Approved by :
SEMI-ANNUAL PREVENTIVE MAINTENANCE CHECK LIST OF TRANSFORMER
S. Check points Checking method First half of year Second half of year
No.
Take load peak load visually & manually
1 hours
Signature of incharge
Approved by :
ANNUAL PREVENTIVE MAINTENANCE CHECK LIST OF TRANSFORMER
S. Check points Checking method 2022 2023 2024 2025 2026 2027
No.
Testing BDV ( Break Down visually & manually
1 Voltage ) and acidity in the
oil.
Measurement of earth visually & manually
2 resistance
Signature of incharge
Approved by :