I've got an issue with a CAT 422E where the hydraulic system is pressurized at startup and the machine can't start due to this. I've removed and cleaned the rear dcv, now doing the front dcv, but i can't find anything wrong. also checked pressure compensator valve on the pump.
when you actuate any of the functions whilst starting, it starts, otherwise no chance of it starting. Also no response from steering when trying to start. Can the steering valve be the culprit? This is the first...
Cat 422E hydraulics
Cat 422E hydraulics
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