Carrier 17/19EX - Manual (Page 240)

3. All parts should be carefully inspected for nicks, scratches, etc., in any contact surfaces.
Such imperfections should be removed by an appropriate method such as stoning,
scraping, filing, etc., followed by thorough cleaning.
4. Apply a few drops of oil to the journal and bearing saddles.
5. Roll the bottom half of the bearing into place and lower the shaft.
6. Before installing the floating labyrinth seal halves, observe their condition. Do not attempt to
use a cracked or chipped seal. The bottom half seal has a set of drilled holes in its side
face. These must be placed at the bottom toward the inside of the bearing so that
accumulating oil may drain back into the housing.
7. Put a small head of Curil-T around the bottom seal half outside diameters on both sides
adjacent to the garter spring groove. This will prevent oil by-passing the seal around its
outside.
8. Place the bottom seal half on top of the shaft (ensuring that the proper orientation of the
drain holes is provided and roll it into position. Install the top half of the seal making sure
that the anti-rotation button is located in the proper position on the inboard side of the
bearing. Insert the garter spring pulling up on both ends to permit engaging the lock. Run a
small bead of Curil-T around the outside diameters on both sides adjacent to the garter
spring groove on this half also.
9. Carefully reassemble the two oil ring halves. Inspect the dowel pins for burrs and