Lync WQ-RS
SECTION 5: MEMBRANE REPLACEMENT
L- OMM-005_A
•
2/23/2022
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5.
Membrane Replacement
1. Turn off the system and close the feed water shutoff valve.
2. Disconnect the membrane feed hoses by loosening the brass fittings between the end of the
hoses and the pressure vessel end caps.
3. Remove the retaining plates the pressure vessel end caps.
4. Push the old membrane out of the vessel in the direction of the feed flow. (See flow arrows
on the right side of Figure 2-1)
5. Record the serial numbers of the new membranes.
6. Lightly lubricate the brine seals on the new membranes with clean water.
7. Install the new membranes in the direction of flow with the brine seal end going in last.
8. Lightly lubricate the end cap internal and external O-rings with glycerin.
9. Install the end caps and secure them with the retaining plates.
10. Install the membrane feed hoses.
11. Verify that all retaining plates are installed.
12. Follow the startup procedure in Section 3.4:
Startup
.
Figure 5-1 Membrane Seal
