|
Trip the ACB. Isolate all remote voltage sources. ENSURE THAT CONTROL CIRCUIT IS DE-ENERGISED.
Rack out the ACB to ‘Isolated’ position. Open compartment door. Pull out the ACB to ‘Maintenance’ position.
Position the ACB lifting truck in front of ACB. Put lifting sling around the ACB lifting lugs.
Remove nuts anchoring ACB to telescopic rails and lift the ACB carefully by raising lifting arm of ACB lifting truck.
Push the rails inside and close the compartment door.
After removal, the ACB should be stored properly. Keep it covered with a polythene bag, free from dust.
While re-inserting the ACB, ensure that the ACB as well as all downstream feeder switches/isolators are open.
|
