3-4. R.O. ELEMENT REPLACEMENT - cont.
Install R.O. Elements.
Installation of two R.O. elements in one R.O. pressure tube is shown. Installation of
R.O. elements in other R.O. pressure tubes is similar.
Remove puller bolts (11, figure 3-3 or 3-4) from end cap (1).
Lubricate preformed packings (12 through 17) with silicone grease from storage chest.
There are two different size preformed packings on the end connectors. The side of
the end connector which will fit on the end of the R.O. element has a lip on the
inside. This side of the end connectors uses the large preformed packing. The
interconnector preformed packings are the same size as the large end connector
preformed packings. Remember, preformed packings 12 and 17 are only slightly
smaller than preformed packings 13, 14, 15, and 16. Use care not to get them mixed
up. Notify unit maintenance if preformed packings are damaged.
If removed, install two preformed packings (12 and 13) in end connector (7).
If removed, install two preformed packings (16 and 17) in end connector (11).
If removed, install two preformed packings (14 and 15) in interconnector (9).
Some R.O. elements are packaged in sealed plastic bags with the protective chemical
formaldehyde, which is poisonous; avoid fumes and keep away from eyes and mouth.
Handle with extreme care. After handling, wash hands thoroughly with soap and water.
After removing R.O. element from sealed bag, take care to keep element clean.
Failure to do so will bring dust and dirt into R.O. elements and cause early element
Do not expose elements to direct sunlight for an extended period of time.
may damage the elements.
Remove one new R.O. element from sealed plastic bag or element container.