# MACHINERY
> MSHA accident `220002900007` · 10/08/2000 · Buzzi Unicem USA
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** ARM,NEC
- **Days lost:** 5
- **Mine experience:** 18 years
## Operator
- **Controller:** Dyckerhoff AG
- **Operator:** Buzzi Unicem USA
- **Mine:** [2300134](https://api.ai-analytics.org/mine/2300134)
## Narrative

EMPLOYEE WAS WORKING ON A DUST SCREW CONVEYOR. WHILE ATTACHING A CHAIN HOOK ON A STEEL BEAM OVERHEAD, THE WEIGHTED ARM OF AN OVERHEAD DOUBLE-DUMP VALVE ACTUATED & CAUGHT HIS WORK JACKET, PULL ING HIS ARM INTO A PINCH POINT BETWEEN THE VALVE'S WEIGHTED SHAFT & THE ADJACENT STEEL CHANNEL FRAMEWORK. HE WAS RETRACTING HIS ARM FROM SETTLING THE CHAIN HOOK WHEN THE VALVE ACTIVATED.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*