# EK4B-M compressor no. 16484 — Fili electric depot, Moscow Metro

**IE S055**  
Fili electric depot, Moscow Metro · Russia · 2000

Cylinder geometry recovered, the tank filled faster, current draw dropped. EK4B-M compressor no. 16484, Fili electric depot, Moscow Metro. Russia · 2000.

## Measured

- compressor current draw, 8.3 → 7.9 A — **4.8 %**
- compressor output by reservoir charging time, 2 min 32 s → 1 min 52 s — **36 %**

## Conclusion

Cylinder geometry recovered, the tank filled faster, current draw dropped

Page: https://industry.xado.com/case/tekhnicheskii_akt_elektrodepo_fili_kompressor_ek4b_m_g
PDF report: https://industry.xado.com/pdf/TIER%20S/MoscowMetroFili/compressors-EK4B-M-16484/IE-S055_XADO_MoscowMetroFili_compressors-EK4B-M-16484_EN.pdf
Original scan: https://industry.xado.com/scans/tekhnicheskii_akt_elektrodepo_fili_kompressor_ek4b_m_g.pdf