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Hi, new guy here. Need hydraulic trouble shooting advice. Cat 160 H s/n ASD****

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Hi folks!
Left blade hyd. lift slow, until you raise right side. Then get speed for both control valves.
I changed implement relief valve on combination valve, on pump. New resolver valve in combo valve. New signal valve. New pressure valve, that is bolted on combo. valve.
Maybe line relief valve on control valve bank, for blade lift?

Any ideas where to go next, would be apprecieated.

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