# HANDTOOLS (NONPOWERED)
> MSHA accident `220120670025` · 03/02/2012 · Knight Hawk Coal LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **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:** UNDERGRD MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** TOE(S)/PHALANGES
- **Days lost:** 0
- **Mine experience:** 0.35 years
## Operator
- **Controller:** James O  Bunn; Franklin D  Robertson
- **Operator:** Knight Hawk Coal LLC
- **Mine:** [1103205](https://api.ai-analytics.org/mine/1103205)
## Narrative

Mechanic was changing out the canopy lift cylinder on a roof bolter. He chained the canopy to the roof on a chain hanger and cut the pins out of the cylinder,  they applied heat to the cylinder eye and applied down pressure with the boom of the bolter and then hit it with a sledge hammer. The cylinder broke loose and the miners foot was under the drill pot of the bolter.

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