the two power units has been replaced the teams still have four hours for the repeat procedure removing the cylinder unit lifting it on deck with the crane and packing it safely for transport the new power unit is then lowered into the machine room installed bolted greased and adjusted all the men can do now is hope that the engine will spring to life immediately the fitters are still working but the ship's crew are already closing the maintenance hatch the first trucks will soon be driven on board everything is