An analyser engineer was killed when the engineer removed the cover on an explosion-
proof enclosure during preventive maintenance. As the engineer loosened the cover, it came out with force and hit him on the head. The force was caused by pressure inside the enclosure from leaking sample gas or instrument air components. It was not equipped with an external indicator to determine the pressure inside the enclosure nor did it have any pressure relief device.
When you hand over equipment for maintenance, make sure all sources of energy are locked out, tagged out and tried.
proof enclosure during preventive maintenance. As the engineer loosened the cover, it came out with force and hit him on the head. The force was caused by pressure inside the enclosure from leaking sample gas or instrument air components. It was not equipped with an external indicator to determine the pressure inside the enclosure nor did it have any pressure relief device.
When you hand over equipment for maintenance, make sure all sources of energy are locked out, tagged out and tried.
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