# MACHINERY
> MSHA accident `220102230008` · 08/05/2010 · River Hill Coal Company Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 9.6 years
## Operator
- **Controller:** Harry J  Hanchar
- **Operator:** River Hill Coal Company Inc
- **Mine:** [3600884](https://api.ai-analytics.org/mine/3600884)
## Narrative

Working on D11 Dozer tracks. Loosening bolts with hydraulic wrench, used air wrench to remove bolts.

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