# MACHINERY
> MSHA accident `220141760038` · 06/18/2014 · Heidelberg Materials Midwest Agg, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Drill operator
- **Activity:** Surface equipment, NEC
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 6.21 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Midwest Agg, Inc.
- **Mine:** [1200068](https://api.ai-analytics.org/mine/1200068)
## Narrative

Removing the drill bit from hammer to replace the blow tube using a hydraulic chain wrench, left hand was on wrench when pulling wrench with hydraulic cylinder thumb on left hand was crushed in cylinder to wrench pinning point.

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