FIELD: nuclear power engineering. SUBSTANCE: readjusting device has protruding frame connected through gas-tight joint to shaped frame with its sealing surfaces provided with bypass check slots; hold-down unit that ensures gas-tight joint between filter elements mounted in position and sealing surfaces of protruding frame and their pulling away from these surfaces; gas-tight cover casing incorporating bore in exhaust channel to receive filters through which filter elements are inserted into and removed from exhaust channel; conveying facility provided with tractive means for setting assembled filter elements in position convenient for replacing them inside cover casing near bore for replacing filters as well as discharge filter to release pressure in closing filter chamber. EFFECT: reduced pollution of environment with radioactive aerosols. 7 cl, 2 dwg
