Step H: The tubes should be rolled after the welding work has been completed.Step I: After completion of the repair work, clean the working area.Step J: Previously removed boiler shell plate as well as smoke outlet or boilerbottom must be rebuilt and insulated.Step K: Mount manhole cover and hand hole covers. Renew gaskets if necessary.Step L: Refill the boiler with feed water and check for leaks through the inspectiondoors before starting up.Step M: Mount and close the inspection doors again.Illustration of how to exchange and block a smoke tube
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