OM-07080
SUPER T SERIES
MAINTENANCE & REPAIR
PAGE E - 17
cannot be realigned during reassembly.
Reusing an old seal could result in prema
ture failure.
To ease installation of the seal, lubricate the exter
nal stationary seat O‐ring with a very
small
amount
of “P-80
R
Emulsion” or water. See Figure 8 for
seal part identification.
SEAL PLATE
O‐RINGS
IMPELLER
SHAFT
STATIONARY
SEAT
STATIONARY
ELEMENT
ROTATING
ELEMENT
DRIVE BAND
BELLOWS
IMPELLER
SHIMS
IMPELLER
SPRING
RETAINER
INTEGRAL
SHAFT
SLEEVE
SLEEVE
O‐RING
SPRING
CENTERING
WASHER
SHEAR
RING
(SHEARED)
Figure 8. Cartridge Seal Assembly
This seal is not designed for operation at
temperatures above 160
_
F (71
_
C). Do not
use at higher operating temperatures.
If the seal plate (4) was removed, install the seal
plate O‐ring (27) and lubricate it with light grease.
Install the seal plate gasket (5). Position the seal
plate over the shaft and secure it to the bearing
housing with the hardware (7 and 8). Install the
bearing housing O‐ring (29) and lubricate it with
light grease.
When installing a new cartridge seal assembly
,
remove the seal from the container, and remove
the mylar storage tabs, if so equipped, from be
tween the seal faces.
New cartridge seal assemblies may be
equipped with mylar storage tabs between
the seal faces. If so equipped, these stor
age tabs
must
be removed before install
ing the seal.
Lubricate the external stationary seat O‐ring with
light oil. Slide the seal assembly onto the shaft until
the external stationary seat O‐ring engages the
bore in the seal plate.
Clean and inspect the impeller as described in
Im
peller Installation and Adjustment
. Install the full
set of impeller shims (2) provided with the seal and
screw the impeller onto the shaft until it is seated
against the seal (see Figure 9).
