# HANDLING OF MATERIALS
> MSHA accident `220152680029` · 09/14/2015 · Liberty Materials, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling 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:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 200
- **Mine experience:** 6 years
## Operator
- **Controller:** James E  Welch; Evelyn  Welch
- **Operator:** Liberty Materials, Inc.
- **Mine:** [4105136](https://api.ai-analytics.org/mine/4105136)
## Narrative

Employee was conducting maintenance on a dozer's tension idler. The idler was unknowingly under pressure and when the mechanic began removing the bolts holding the idler in place the idler broke loose and struck the mechanic. The idler fractured the knuckle on his right pinky finger and the area of the skull above his right eye. 

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