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Annual Maintenance of Switch Yards & Sub Stations.
  1. All nuts & bolts of connectors at bus equipment are checked for their healthiness.
  2. Tightening of loose bolts.
  3. Replacement of damaged bolts of pad clamps.
  4. By passing / replacing of damaged connectors in bus.
  5. Replacing damaged jumpers from Bus to Isolator in no load conditions.
  6. Testing of Disk Insulators with Positron make microprocessor based, Insulator Tester.
  7. Replacing damaged disc insulator.
  8. Lubrication of Isolator mechanical joints for smooth operation.
  9. Cleaning & applying jelly to Isolator contacts in off condition.
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