We're getting a monsoon here in the Shenandoah Valley which has given me a chance to sort out the last few issues on my 490E. I have replaced the engine controller,PVC,machine wiring harness,angle sensor and swing brake solenoid. Everything works except the arm which travels very slow. Pilot pressure is good. I put the PVC from a working 490E on it and the arm works as it should but it won't swing at all. I put the PVC on the other machine and the arm is slow there as well. When I put the PVC back on that machine it works as it should. Any help with what I should try next? Thanks in advance Joey
There is a serial # break at 025000- for the PVC the one you swapped in may be the wrong one.
Ok thanks, They are on opposite sides of that split. I have a year warranty on the PVC but I'm a little Leary sending it back to China without knowing it is faulty for sure
I don't think the serial number split should effect it, IMHO buying any electronics from China definitely will.
It plugs right in and appears the same it just won't swing on the earlier machine.
Does anyone know where I could get schematics for the controller ? I built a home for a friend who built circuit boards for NASA for 33 years and is willing to repair them