Shaft Seals (fig. 6-2). Lip type shaft seals are provided
on all shaft openings
at the factory and are maintenance
free under normal conditions. When operating conditions require replacement of seal for repairs, take these precautions in
reassembling new seal:
Make sure seal shaft contacting surfaces are smooth and free of corrosion, scratches, or rough spots.
In fitting seal over shaft projection with sharp keyway edges, protect sealing element from scoring.
c. Eliminate burrs and sharp edges. Lubricate seals and shaft to permit free passage of shaft. Hold seal away
from shaft or cover keyway with cellophane tape to protect seal.
Apply lubricant between seal lips of high-speed shaft seal prior to installation.
Figure 6-2. Shaft Assembly.