Pressure Controller/Calibrator
Contamination Prevention System (CPS)
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Figure 48. CPS Cleaning and Inspection
5. To disassemble the filter assembly (see Figure 49), turn the screen retainer
counter clockwise to remove it from the filter manifold .
6. Pull the filter and retainer from filter manifold while rocking side to side
carefully to remove the coalescing filter and filter retainer .
7. Remove the purge tube from the filter manifold by pulling them straight
apart. It is sealed by a small O-ring on the end of the purge tube.