HYDRAULIC SYSTEM PURGING
To purge hydraulic system:
1. Open the release valve by turning it two full turns counter-clockwise.
2. Quickly pump the handle a minimum of four full strokes.
3. Close the release valve by turning it clockwise.
4. Pumping the handle with full strokes to check if it can reach the maximum height by ten pumps.
If it can’t reach the maximum height by ten pumps, please refer to the following
special purging process:
5. Open the release valve by turning counter-clockwise and lower the lifting arm to the minimum height.
6. Put the jack on a flat working table, lift the front part of the jack to make sure the front part is at least 20”
higher than the end part of the jack.
See the following picture.
7. Quickly pump the handle a minimum of four full strokes.
8. Put the jack on a flat surface and close the release valve by turning it clockwise.
9. Pumping the handle with full strokes to check if it can reach the maximum height by ten pumps, if not
please repeat the special purging process again.
4
