article_snippet: Current indications suggest a delay of between a few days . and several weeks,' a statement from the world's leading .
article_snippet: Engineers had been expected to start on Wednesday pumping .
article_snippet: the past two years for a refit.
article_snippet: After a two-year shutdown and upgrade, it is about to ramp up for it
article_snippet: In the grand scheme of things, a few weeks delay in .
article_snippet: can be no rushing into full operations.
article_snippet: take time to resolve what he described as an intermittent .
article_snippet: hours in a warm machine could end up taking us weeks,' he added.