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このページは国際安全衛生センターの2008/03/31以前のページです。
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| Slipped
jack lets fall chassis, seriously injuring mechanic. |
| When a mechanic tried
to creep under the chassis that was raised and rested on supporting
blocks, he found the height was a bit too low to do so. He further raised
the chassis with a jack and went under it for inspection. Then the jack
slipped up all of sudden, letting fall the machine. He was crushed under
the fallen machine and seriously injured. |
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| Corrective Action |
| 1.
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Do not use a
jack for supporting equipment, because it may possibly collapse due to a
failure. Be sure to use appropriate supporting devices after
jacking. |
| 2. |
Use chocks to
secure a machine firmly, while servicing it. |
| 3. |
Keep
inexperienced workers under the control of a work conductor during
work. |
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