hitachi ex 120 -2 . dipper arm prob

1. #1rgl7262014-08-08 20:38

   check for internal cylinder leak. or you have a problem in your PVC computer. try to remove the socket of the arm in the proportional solenoid valve.

2. #2keith wilson2014-08-09 16:22

   Have checked for cylinder leak its ok. How do I check pvc computer?

3. #3rgl7262014-08-10 06:09

   You can check this by removing the proportional solenoid valve socket for arm

4. #4keith wilson2014-08-10 06:23

   Where is that?

5. #5rgl7262014-08-10 06:30

   Beside the cabin

6. #6keith wilson2014-08-10 06:45

   Disconnected that made no difference