# MACHINERY
> MSHA accident `220030910019` · 03/31/2003 · O-N Minerals (PenRoc) Company  LP
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 53
- **Mine experience:** 25 years
## Operator
- **Controller:** Oglebay Norton Company
- **Operator:** O-N Minerals (PenRoc) Company  LP
- **Mine:** [3600184](https://api.ai-analytics.org/mine/3600184)
## Narrative

TWO MAINTENANCE WORKERS WERE REMOVING A FLYWHEEL OFF WASH SCREEN TO REPLACE BEARING BEHIND IT. FLYWHEEL JAMMED AND WORKER USED COME-A-LONG AND HAMMERS TO FREE FLYWHEEL. INJURED MAN HIT SIDE OF FLYWHEEL AND INSTEAD OF MOVING A SMALL AMOUNT THE FLYWHEEL FLEW OFF THE SHAFT. INJURED MAN JUMPED BACK, SLIPPED, FALLING TO HAND & KNEES AND FLYWHEEL LANDED ON RIGHT HAND, THUMB & FOREFINGER.

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