Teledyne T803 10.3.2. REBUILDING THE SAMPLE PUMP

Maintenance Schedule & Procedures Teledyne API T803 CO2/O2 Analyzer Operation Manual
178
To change the filter:
1. Turn OFF the analyzer to prevent drawing debris into the instrument.
2. Open the T803’s hinged front panel and unscrew the knurled retaining ring on
the filter assembly.
Figure 10-1: Sample Particulate Filter Assembly
3. Carefully remove the retaining ring, PTFE o-ring, glass filter cover and filter
element.
4. Replace the filter, being careful that the element is fully seated and centered
in the bottom of the holder.
5. Re-install the PTFE o-ring (with the notches up), the glass cover, then screw
on the retaining ring and hand tighten. Inspect the seal between the edge of
filter and the o-ring to assure a proper seal.
6. Re-start the analyzer.
10.3.2. REBUILDING THE SAMPLE PUMP
The diaphragm in the sample pump periodically wears out and must be replaced.
A sample rebuild kit is available – see Appendix B of this manual for the part
number of the pump rebuild kit. Instructions and diagrams are included with the
kit.
Always perform a Flow and Leak Check after rebuilding the Sample Pump.
07276B DCN6418