Figure 12-16: Pump Assembly
9. Following instructions on the package (PN 9160518), replace the diaphragm and
check valves.
10. Slide the pump assembly back into the pump body and replace the barbed inlet
fitting.
11. Replace the rubber base and screw the pump access panel back onto the air pump.
12. Connect the air inlet and outlet tubing to the air pump.
See Figure 12-13. The conical end of the check valve points in the direction of the air
flow.
13. Replace the air pump access panel.
14. Connect the sample pump tubing to the pump. Connect the reagent and injection
tubing. Connect the air inlet tubing to the barbed fitting at the bottom of the
enclosure.
Maintenance Reference Manual
January2023 00809-0200-3415
64 Emerson.com/Rosemount
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