Page 13 of 18
Maintenance
Quarterly Preventive Maintenance for Systems with complete Pre and Post
treatment.
The M-Series RO processor requires quarterly preventive maintenance
consisting of replacing (3) pre-filters and post
Filters if supplied.
1. Pre-filters are located on left side of RO
processor.
2. Post filters located on right side of RO
processor unit.
Quarterly preventive maintenance procedure.
1. Turn incoming feed water off while unit is
running.
2. System will automatically turn off due to lack of
feed water pressure.
3. Turn Power Switch to the OFF position.
4. Close Ball Valve on Permeate Line Connection on
Bulkhead (Pressure Tank Systems).
5. Unplug unit from Power Supply.
6. Place bucket under pre-filters to catch the water
from the filter housings.
7. Using supplied filter wrench, loosen filter housing
starting on the left.
8. Replace with new 5 micron Sediment Filter and
replace filter
housing using wrench to tighten securely.
(O-rings and Bowls need to be lubricated with a water
soluble lubricant such as KY Jelly).
9. Follow the above sequence with
remaining filters.
and Post Filters if supplied.
10. Replace Calcite Feeder located on right hand side of unit using
supplied filter housing wrench.
(Calcite feeder is only needed on units feeding boilers).
Follow “START UP” procedures on page 11
