FACE Report: Mechanic service technician fatally struck by order picker carriage

A 58-year-old mechanic service technician for an equipment service and sales company was servicing an order picker with a co-worker. The picker’s carriage, which weighs nearly 1,200 pounds, consists of an operator platform, a control console and lift forks. The carriage’s movement is actuated by a center lift hydraulic cylinder and a pair of side lift cylinders, along with a set of chains and pulleys. The center lift cylinder, which has a hydraulic pressure of more than 2,000 pounds per square inch, had a minor leak, and the technician and the co-worker were onsite to replace some parts. To access the cylinder, they removed the control console cover and raised the carriage about 7 feet. According to the co-worker, the technician was holding a pair of snap ring pliers while standing directly underneath the carriage – which was neither chained nor blocked to prevent it from falling. The technician used pliers to remove the outer snap ring from the cylinder, apparently to verify the part number. The function of the outer snap ring is to hold and secure the oil seal of the cylinder at the rod end. While the technician was telling his co-worker he “just wanted to look” at the ring, the carriage fell quickly, crushing him underneath. Hydraulic fluid sprayed onto the entire dock area. The co-worker tried to use a jack to lift the carriage but was unsuccessful. Emergency responders arrived within minutes. The technician was pronounced dead at the scene.

To prevent similar incidents, employers should:

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