Its my first post. I have been working as an independent mechanic and worked on mainly excavators for years. Poclain, Caterpillar, Komatsu, Volvo etc.
I have one issue which i have been unable to diagnose. Its in pc220-7 excavator hydraulic valve bank as i am satisfied with the main pump. There is no issue in the pump as it has been exchange and rebuilt several times.
In komatsu valve bank, there is flow merge/divide valve which seperates both pumps on some operations. So if i...
Komatsu pc 220-7 hydraulic troubleshooting
Komatsu pc 220-7 hydraulic troubleshooting
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