# MACHINERY
> MSHA accident `220161970010` · 07/06/2016 · Heidelberg Materials Southeast Agg., LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 2.15 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Southeast Agg., LLC
- **Mine:** [0900033](https://api.ai-analytics.org/mine/0900033)
## Narrative

Employee was adjusting the set screw that controls the RPM's on the grinder in an attempt to lower RPM's. While the grinder was being adjusted the disk broke apart striking employee on left hand between middle finger and ring finger. 

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