Genius girl repairs excavator. Replace seal O- ring for control valve, hydraulic excavator. 

This video is about how to replace an o-ring hydraulic control valve for an excavator.
The girl repairs excavator
Change O- ring control valve
#mechanicgirltq
#geniusgirl
#repair
#excavator
#mechaniclife
#mechanicgirl
#genius
#recover
#control valve

Авто/Мото