Maintenance
104
4.
Loosen the fastening screws and remove the filter block.
Fig. 119 Replacing the water filter element
5.
Remove the packing and filter element, and wipe off any liquid in the filter block
and on the packing with tissue paper.
6.
Use a tissue to dab at the lower hole on the filter block, indicated by an arrow in the
figure below and deliver dry air (at 0.02 MPa or less) through the air vent pipe for 5
minutes to dry the measurement cell.
Fig. 120 Lower hole on the filter block
7.
Place the filter element and packing back in the filter block.
Note
Be sure not to let the new filter get wet. A wet filter will cause incorrect measurement results.
8.
Tighten the fastening screws evenly to secure the filter block.
9.
Attach the joints to the filter block.
10.
Turn ON the power.