Step E: Scraps of metal or welding material in the tube holes of the end plates mustbe grind off.Step F: Depending on the present conditions the new smoke tubes should beinserted from either the top or bottom. This means that either parts of thesmoke outlet or the boiler bottom must be removed.Step G: The new smoke tubes should be placed in the tube holes one by one andwelded on as shown in Figure I. During the assembling the supports arearranged and adjusted.
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