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Gorman-Rupp Pumps 06B20-B 806819 and up User Manual

Page 27

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0 SERIES

OM-01221

MAINTENANCE & REPAIR

PAGE E - 8

the pedestal with the hardware (24). Be careful
not to damage the oil seal lip on the shaft keyway.

Shaft endplay should be between .002 and .010
inch (0,05 to 0,25 mm). Check the shaft endplay
and add or remove bearing adjusting shims as re­
quired.

Install slinger ring (15).

Lubricate the bearing housing as indicated in LU­
BRICATION
.

Seal Reassembly and Installation

(Figures 1 and 4)

Clean the seal cavity and shaft with a cloth soaked
in fresh cleaning solvent.

Most cleaning solvents are toxic and
flammable. Use them only in a well ven­
tilated area free from excessive heat,
sparks, and flame. Read and follow all
precautions printed on solvent contain­
ers.

The seal is not normally reused because wear pat­
terns on the finished faces cannot be realigned
during reassembly. This could result in premature
failure. If necessary to reuse an old seal in an emer­
gency, carefully wash all metallic parts in fresh
cleaning solvent and allow to dry thoroughly.

Handle the seal parts with extreme care to prevent
damage. Be careful not to contaminate precision
finished faces; even fingerprints on the faces can
shorten seal life. If necessary, clean the faces with a
non‐oil based solvent and a clean, lint‐free tissue.
Wipe lightly in a concentric pattern to avoid
scratching the faces.

Inspect the seal components for wear, scoring,
grooves, and other damage that might cause leak­
age. If any components are worn, replace the com­
plete seal; never mix old and new seal parts.

If a replacement seal is being used, remove it from
the container and inspect the precision finished
faces to ensure that they are free of any foreign
matter.

To ease installation of the seal, lubricate the bel­
lows and O‐rings with water or a very small
amount of light lubricating oil, and apply a drop of
light lubricating oil on the finished faces. Assemble
the seal as follows, (see Figure 4).