# MACHINERY
> MSHA accident `220031470001` · 05/19/2003 · Argos Puerto Rico Corp
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary 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:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 179
- **Mine experience:** 30 years
## Operator
- **Controller:** Italcementi Spa
- **Operator:** Argos Puerto Rico Corp
- **Mine:** [5400120](https://api.ai-analytics.org/mine/5400120)
## Narrative

EE'S WERE ASSIGNED TO REMOVE THE BELT TENSION BY LIFTING THE COUNTERBALANCE OF CONVEYOR BELT. THEY STARTED SETTING UP THE BELT & HOOKING THE SLINGS TO THE CRANE & THE COUNTERBALANCE. THE CRANE STARTED LIFTING W/O ANY DIFFICULTIES. THEN THE BOOM TURNTABLE STARTED RIPPING APART, CAUSING THE BOOM TO FALL OVER ONTO THE CONVEYOR BELT. EE WAS PINNED BETWEEN THE HANDRAIL & BELT. FX BACK.

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