"If you don't oil this part there will be big trouble."
        Yes, okay, not bad - but would a native speaker write such a thing? No way! David labored mightily to rectify the text, and finally produced a result which he was happy with:
        "Please be advised that if an adequate supply of lubricating materials is not delivered to this component then untoward consequences of a seriously deleterious nature will ensue."
        The conquest of the world by native speaker English continues!