172 • Replacing the Hydrophobic Disk Filter,Gas Tracer Operator’s Manual, CSA Ver
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13. Start up the Gas Tracer by pressing and briefly holding the POWER ENTER
button.
14. Calibrate the new sensor as described in “Calibration Mode” on page 62.
Replacing the Hydrophobic Disk Filter,
Cotton Filter, and Wire Mesh Disk
1. Verify that the Gas Tracer is off.
2. Locate the clear plastic filter holder at the top of the Gas Tracer.
3. Grasp the filter holder and turn it 1/4 turn counterclockwise.
4. Pull the filter holder away from the case. Inspect the cotton dust filter and
replace if dirty.
5. The hydrophobic disk filters and wire mesh disk are located in the case and
are retained by a rubber gasket. Pull out the rubber gasket with needle nose
pliers.
Figure 30: Changing the Filters & Wire Mesh Disk
6. Remove the old hydrophobic filters and/or wire mesh disk from the gasket. A
hydrophobic filter is located on either side of the wire mesh disk.
7. Install the new hydrophobic filters and/or wire mesh disk making sure a
hydrophobic filter is located on each side of the wire mesh disk.
8. Reinstall the gasket with the parts into the case. Ensure that the installation
stub is lined up with the pump intake in the filter chamber.
Wire Mesh
Disk
Filter Holder
Rubber Gasket
Installation
Stub
Hydrophobic Disk Filter
Cotton Dust Filter
