# MACHINERY
> **FATAL** · MSHA accident `220163470018` · 12/02/2016 · Oak Grove Resources LLC
## Details
- **Degree of injury:** FATALITY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between collapsing material or buildings
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** LONGWALL SUPT,JKS & CHOCK
- **Nature of injury:** CRUSHING
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** —
- **Mine experience:** 0.02 years
## Operator
- **Controller:** ERP Compliant Fuels, LLC
- **Operator:** Oak Grove Resources LLC
- **Mine:** [0100851](https://api.ai-analytics.org/mine/0100851)
## Narrative

During Longwall setup procedures, two service representatives from shield manufacturer were installing yield valves on shields. The deceased was positioned behind leg jacks installing yield valves on tilt jack, while second representative began to install yield valves on leg jack.  Plugs from both jacks were removed causing the shield canopy to collapse crushing the victim.  

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