F-801 Internal RO System by GE Osmonics
4.Carefully remove the housing (bottom part) from its head. Empty the water and used pre-filter cartridge.
5.Inspect the central core of the used pre-filter for dirt or rust. If discoloration is present in the cartridge interior, the filter has been in service too long and should be replaced sooner, or at a delta pressure lower than 8 PSI.
6.Check the O-ring in the groove of the filter housing. Replace the O-ring (GE Osmonics p/n 40694) if it appears worn or damaged.
7.Clean and rinse the pre-filter housing.
a.Optional; a 1% bleach solution may be used to sanitize the housing, rinse thoroughly.
8.Insert the new pre-filter cartridge into the housing. Ensure that the pre-filter is firmly in place.
9.Re-install the housing, tighten clockwise.
10.Turn ON the feed water and check for leaks. This will also purge the air from the pre-filter housing.
11.If there are no leaks, the RO system is ready for use.
12552e – 27 Feb 04 | 4- 10 | Routine Maintenance |