SafeWork SA recently issued a safety alert reminding businesses to have safe systems of work in place when working with hydraulic cylinders and removing seized pins by applying heat.
In November 2019, a worker was unable to remove a seized clevis pin at the bottom of a hydraulic cylinder.
The worker attempted to free the pin by applying heat using an LPG & oxygen torch after other methods failed.
Direct heat was applied over a short amount of time. When the worker heated the pin, a flash flame occurred, engulfing the worker’s head area before self-extinguishing.
A similar incident occurred in Western Australia in 2013 when a worker died when a hydraulic cylinder he was heating with an oxy-acetylene torch exploded.
Both incidents share similarities including:
The alert said there are a number of risk control measures and PCBUs must ensure that:
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