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Instrument Maintenance
206
filter element, PTFE retaining ring, glass cover and the O-ring due to the risk of
contaminating pores and surfaces with possible oils from your hands.
Figure 6-1:
Sample Particulate Filter Assembly
To change the filter according to the service interval in Table 6-1, follow this procedure:
1. Turn OFF the pump to prevent drawing debris into the sample line.
2. Remove the CE Mark locking screw in the center of the front panel and open the
hinged front panel and unscrew the knurled retaining ring of the filter assembly.
3. Carefully remove the retaining ring, glass window, PTFE O-ring and filter element.
We recommend cleaning the glass and O-rings at least once monthly, weekly in
very polluted areas.
4. Install a new filter element, carefully centering it in the bottom of the holder.
5. Re-install the PTFE O-ring with the notches facing up (important!), the glass cover,
then screw on the hold-down ring and hand-tighten the assembly. Inspect the
(visible) seal between the edge of the glass window and the O-ring to assure proper
gas tightness.
6. To fulfill CE Mark safety requirements, the front panel locking screw must be
installed at all times during operation of the analyzer.
7. Re-start the analyzer.
Teledyne API - Model T200H/T200M Operation Manual
07270D DCN7141
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