A method of extracting a plug and a removable block during reloading of a nuclear reactor with a heavy liquid metal coolant, comprising: installing a plug transportation device having a supporting ring with projections on the plug , installing an additional cargo on the plug transportation device , installing and fixing an inner frame of a cable reduction box having fastening screws on a cover of a reactor monoblock, turning the supporting ring of the plug transportation device to a position where the projections enter an operating area of the fastening screws of the cable reduction box , dismantling the additional cargo , installing an external part of the cable reduction box on the reactor monoblock, replacing an internal medium of an internal cavity of the cable reduction box , installing a guide channel on the cable reduction box , installing a reloading armor having dampers on the guide channel , replacing the internal medium of the reloading armor and the guide channel , moving the plug transportation device with the plug into the reloading armor , transporting the reloading armor with the plug into a plug shaft where the plug is unloaded, re-installing the guide channel on the cable reduction box , installing the reloading armor with a removable block transportation device on the guide channel , replacing the internal medium of the internal cavity of the cable reduction box and an internal cavity of the reloading armor , lowering an automatic grip of the reloading armor to coupling with the removable block , moving the removable block transportation device with the removable block to the highest position in the reloading armor , transporting the reloading armor with the removable block to a shaft for removable block disassembly, and unloading the removable block . installing a plug transportation device having a supporting ring with projections on the plug , installing an additional cargo on the plug transportation device , installing and fixing an inner frame of a cable reduction box having fastening screws on a cover of a reactor monoblock, turning the supporting ring of the plug transportation device to a position where the projections enter an operating area of the fastening screws of the cable reduction box , dismantling the additional cargo , installing an external part of the cable reduction box on the reactor monoblock, replacing an internal medium of an internal cavity of the cable reduction box , installing a guide channel on the cable reduction box , installing a reloading armor having dampers on the guide channel , replacing the internal medium of the reloading armor and the guide channel , moving the plug transportation device with the plug into the reloading armor , transporting the reloading armor with the plug into a plug shaft where the plug is unloaded, re-installing the guide channel on the cable reduction box , installing the reloading armor with a removable block transportation device on the guide channel , replacing the internal medium of the internal cavity of the cable reduction box and an internal cavity of the reloading armor , lowering an automatic grip of the reloading armor to coupling with the removable block , moving the removable block transportation device with the removable block to the highest position in the reloading armor , transporting the reloading armor with the removable block to a shaft for removable block disassembly, and unloading the removable block . <EOS>