Gorman-Rupp Pumps 82D2-B 344003 and up - Manual (Page 26)

OM−00802 80 SERIES
MAINTENANCE & REPAIR PAGE E − 8
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. Clean and polish the shaft sleeve, or replace it
if there are nicks or cuts on either end. If any com-
ponents are worn, replace the complete 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 seal
liner (5) with water or a very small amount of oil,
and apply a drop of light lubricating oil on the fin-
ished faces. Assemble the seal as follows, (see Fig-
ure 3).
IMPELLER
SHAFT
STATIONARY
SEAT
STATIONARY
WASHER
ROTATING
ELEMENT
IMPELLER
SHIMS
ROTATING
ELEMENT
SEAL PLATE
SPRING
IMPELLER
SHAFT
SLEEVE
PACKING RINGS
Figure 3. GS625 Seal Assembly
This seal is not designed for operation at
temperatures above 110
_F (43_C). Do not
use at higher operating temperatures.
Before installing the seal, inspect the bore of the
seal liner (5) for wear or grooves which might cause
leakage or damage to the seal packing rings. If the
seal liner requires replacement, remove the seal
plate assembly as described in Seal Removal
And Disassembly, and position it on the bed of an
arbor (or hydraulic) press. Use a new sleeve to
force the old one out. After the new liner is properly
installed, a 1/4-inch (6,4 mm) diameter hole must
be drilled through it to permit the flow of lubricant to
the seal assembly. Be careful to center the drill in
the threaded grease piping hole and not damage
the threads. Deburr the hole from the inside of the
seal liner after drilling.