Kobelco SK210 reasons for inability to walk

gusenichnye ekskavatory sk 210 h nlc 10 kobelco1 Problems

I have a Kobelco SK210. Does not walk. What could be the reason?

Check transmission hydraulic oil level, oil quality. Check if the oil passage is blocked or the oil suction filter. Check the system pressure: measure the port oil pressure (outlet pressure should be 0.28 ~ 0.45Mpa), connect a pressure gauge to measure inlet pressure (should be 0.56Mpa), connect the pressure gauge to the radiator nozzle, measure the pressure of the lubricating oil (the pressure of the lubricating oil should be 0.1 ~ 0.2Mpa). Remove the old variable speed pump and replace it with a new one.

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