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7. Undo the EF locknut at both shut-off valves by half a turn. The O-ring is now exposed.
B
B
A
Fig. 28:
Turning the pressure measuring set
A
Pressure measuring set
B
Lever of the shut-off valve
8. Close the lever of the shut-off valve about half way to enable the 180° turn required in
the next step.
9. Turn the pressure measuring set by 90°.
NOTE
For some variants, the pressure gauge or a pressure sensor need to be
removed to be able to turn the pressure measuring set.
Содержание Hydro-Unit Premium
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