Rebuilding The Sample Pump - Teledyne 400E Instruction Manual

Model 400E Ozone Analyzer
Instruction Manual
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.

9.3.2. 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.
P/N 04316 Rev: B
MAINTENANCE SCHEDULE & PROCEDURES
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