Damage to construction hoist during operation
Regulated industry sector: Elevating devices
During operation of the construction hoist, a tooth broke off a pinion gear. The pinion gear was then replaced, leaving the other two worn gears in operation. Cracks developed on the shaft until the hoist came to a complete shutdown.
|Incident Summary #II-860382-2021 (#13027).pdf||1.61 MB|
|Appendix A - Tall Crane Hoist - II-860382-2021 (#13027).pdf||6.16 MB|
|Appendix B - Shaft Failure Analysis Report - II-860382-2021 (#13027).pdf||623.73 KB|