Contamination Prevention System (Cps); Fine And Coarse Cps Filters (Internal); Cps Vent Filter (External) - Fluke Calibration 4322-SYS-NAVAIR Service Manual

4322
Service Manual

Contamination Prevention System (CPS)

Use the instructions in the subsequent sections to replace the CPS filters, dock, and NC
isolation valve.

Fine and Coarse CPS Filters (Internal)

Use the following instructions and reference Figure 4-14 to replace the fine and coarse
filters in the CPS.
Filter removal:
1. Remove the CPS from the Controller.
2. Remove the filter housing ().
3. Remove the first filter retainer ().
4. Remove the second filter retainer ().
5. Remove the coarse filter () from the assembly.
6. Grab and pull out the upper filter retainer (items , , , and ) to gain access to
7. Remove the fine filter ().
Filter installation:
1. Install the fine filter ().
2. Carefully align the upper filter retainer (, , and ) on the pressure port () and
3. Position the coarse filter () into place then install the second filter retainer ().
4. Install the second filter retainer ().
5. Install the filter housing ().

CPS Vent Filter (External)

Use the following instructions and reference Figure 4-14 to replace the external vent
filter located on the outside of the CPS that is inserted into the waste container.
Filter removal:
1. Remove the CPS from the Controller.
2. Remove the filter retainer ().
3. Remove the filter ().
Filter installation:
1. Install the filter ().
2. Install the filter retainer ().
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the fine filter ().
push it into place. The screw heads () should be positioned towards the fine filter.