# MACHINERY
> MSHA accident `220013460011` · 11/27/2001 · Performance Unlimited Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** MCH PWR TRNSMSN APPR,NEC
- **Nature of injury:** CRUSHING
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 13
- **Mine experience:** 3 years
## Operator
- **Controller:** Ann  Allsup
- **Operator:** Performance Unlimited Inc
- **Mine:** [4103773](https://api.ai-analytics.org/mine/4103773)
## Narrative

WHILE REPLACING & TIMING A SET OF TAPER LOCKING DRIVE GEARS ON COUNTER WEIGHTED SHAFTS, ONE GEAR DISENGAGED FROM TAPER LOCK HUB ALLOWING OPPOSITE GEAR & SHAFT TO FREEWHEEL TO ITS RELAXED POSIT ION. VICTIM HAD HIS RIGHT HAND ON ONE OF THE GEARS, HIS RIGHT THUMB TIP WAS PULLED THROUGH THE GEARS.

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