6. Open the external drain valve to remove the wedge
a) The piston does not advance:
- Close the external drain valve completely.
- Check the oil level.
b) There is no pressure in the system:
- Check for leaks or if the connections are tighted perfectly.
c) The piston does not go backwards or it does not go backwards completely.
- Open the external drain valve.
- Check the level oil. Remove oil if there is a lot inside the system.
8
SOLUTION TO POSSIBLE MALFUNCTION