User Manual

1919
1. Loosen the upper jam nut and turn #1 clockwise till it is fully seated.
2. Loosen the lower jam nut and adjust #2 till the “Pressure – Up value” is obtained.
3. Set 350 bar and tighten the lower jam nut with #2 fixed.
4. Turn out #1 till the “Main relief pressure value” is obtained.
5. Set 330 bar and tighten the upper jam nut with #1 fixed.
6. Recheck if both pressures are correct and if necessary, make final adjustment.
☞ Main Relief Valve Adjustment.
2
1
5. Main relief pressure & pressure up