# MACHINERY
> MSHA accident `220052970096` · 10/17/2005 · Calaveras Materials LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 12
- **Mine experience:** 3.35 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Calaveras Materials LLC
- **Mine:** [0402841](https://api.ai-analytics.org/mine/0402841)
## Narrative

EMPLOYEE WAS TRYING TO RELIEVE PRESSURE ON A HYDRAULIC SYSTEM ON THE AUXILARY CRUSHER BY TAKING THE FITTING OFF A CYLINDER. EMPLOYEE DID NOT VERIFY THAT ALL THE PRESSURE WAS EXHAUSTED FROM THE HYDRAULIC SYSTEM. WHEN THE EMPLOYEE ATTEMPTED TO REMOVE A HYDRAULIC HOSE THE COUPLING KICKED BACK AND CAUSED AN INJURY TO THE EMPLOYEE'S RIGHT HAND.

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