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Old 19-07-2020, 01:30 PM
Muckster Muckster is offline
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Join Date: Mar 2013
Posts: 54
Default Daewoo 170 lc-v hydraulic pump issue.

Hi folks

I have an issue with one pump on this machine, the working pressure will drop out to about 60-70 bar when asked to curl bucket and move dipper.

Iíve checked strainer for tell tale signs of pump breakdown and luckily there is no sign of any metal filings.

The other pump works perfectly, runs at around 380 bar.

There is a proportional valve On the pump which I have doubts about as it is leaking, would this cause the problems Iím experiencing?

Any advice appreciated!

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