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F-801 Internal RO System by GE Osmonics
12552e – 27 Feb 04 4- 6 Routine Maintenance
4.1.4 Quarterly Maintenance
1. Clean the RO Membranes. Refer to the RO membrane cleaning procedure in
this chapter.
2. Disinfect the RO machine. The RO should be disinfected after cleaning. Refer
to the membrane disinfection procedure in this chapter.
3. Verify the TDS and percent rejection readings with an independent monitoring
device every 3 months.
4. Check the quick-disconnect fittings and hoses. They should seat securely and
fluid should shut off when they are disconnected.
5. Test feed water (tap water). Test for;
a. Iron presence (critical when Renalin is used)
b. pH alteration
c. Chlorine / chloramines shifts
d. Hardness fluctuations
CAUTION:
If feed water changes in its constituents, the pretreatment components may need to
be reassessed for proper capacity.
6. Inspect casters and caster mounting plates for damage. If damage is evident,
replace casters.
7. Tighten all hardware for the pretreatment stand assembly. This includes casters,
handle bolts, leg attaching bolts, etc.
4.1.5 Annual Maintenance
1. An AAMI Water Quality Analysis of the product water should be conducted at
least yearly. (Refer to the Water Quality Analysis Procedure in Chapter two.)
2. Check the monitoring for accuracy.
3. Check the gauges for correct functioning.
4. Check the ball valves for correct operation.
5. Check the tubing and fittings for leaks or wear.
6. Check the switch and lights for correct operation.
7. Check all pre RO devices for correct operation.
8. Lubricate the motor. Refer to the lubricating instructions in this chapter.