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JICOSH Home > Case Studies > Cases of Accident-related Injuries
While disassembling a recoil spring, the spring bounced, hitting a worker's hand and breaking it.
A worker loosened a center nut to disassemble the recoil spring of a hydraulic shovel.
Just as the nut was about to come off, the recoil spring flew off from the repulsion, hitting the worker's hand and breaking it.



Corrective Action
1. Use a jig specifically designed for assembly and disassembly.
2. Perform work only after discussing work procedures in advance.


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