MTS Model 286-31 Transient Permeability Pore Pressure Intensifier - Manual (Page 30)

286.31 Transient Permeability Pore Pressure Intensifier 30
Purging and Filling the Fluid Lines
Operation
3. Purge the Transducer Pressure Balance and upper pore pressure port lines of
air and fill them with fluid.
Turn the Permeability Output to the Open position.
As soon as the fluid coming out at the triaxial cell’s upper pore pressure port
becomes bubble-free, go on to step 4.