# Locomotive 44-089.0, compressor No. 1 — ZhP Traktsiya Lokomotivi — Sofia

**IE B063**  
ZhP Traktsiya Lokomotivi — Sofia · Bulgaria · 2003

The compressor began building up pressure faster, noise and vibration dropped, the effect grew with mileage. Bulgaria · 2003. 40 % — compressor output.

## Measured

- compressor output, charging time 28 → 20 s — **40 %**

## Conclusion

The compressor began building up pressure faster, noise and vibration dropped, the effect grew with mileage

Page: https://industry.xado.com/case/protokol_bolgariia_g
PDF report: https://industry.xado.com/pdf/TIER%20B/TraktsiaSofia/compressors-lokomotiva-44-089-0/IE-B063_XADO_TraktsiaSofia_compressors-lokomotiva-44-089-0_EN.pdf
Original scan: https://industry.xado.com/scans/protokol_bolgariia_g.pdf