# MACHINERY
> MSHA accident `220051190019` · 04/20/2005 · Heritage Aggregates, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 18 years
## Operator
- **Controller:** The Heritage Group
- **Operator:** Heritage Aggregates, LLC
- **Mine:** [1200073](https://api.ai-analytics.org/mine/1200073)
## Narrative

Employee was removing the pivot joint bushing on the Cat. 769 Haul Truck and replacing the bit on the air hammer. Employee placed his hand on top of the bit to push it in place, the trigger on the air hammer was accidently pulled causing the tool to be activated, resulting in a contusion of his right hand. Employee was restricted for 5 days.

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