Gorman-Rupp Pumps T2A65-B /F,/FM - Manual (Page 34)

OM-05391 T SERIES
MAINTENANCE & REPAIR PAGE E - 11
SEAL PLATE
O‐RINGS
IMPELLER
SHAFT
STATIONARY
SEAT
STATIONARY
ELEMENT
ROTATING
ELEMENT
DRIVE BAND
BELLOWS
IMPELLER
SHIMS
IMPELLER
SPRING
RETAINER
INTEGRAL
SEAL
SLEEVE
Figure 4. 46512-159 Seal Assembly
This seal is not designed for operation at
temperatures above 160
_
F (71
_
C). Do not
use at higher operating temperatures.
Lubricate the stationary seat O‐rings with water or
light oil, and install them in the stationary seat. In­
stall the stationary seal element in the stationary
seat. Press this stationary subassembly into the
front of the seal plate (5) until it seats squarely
against the bore shoulder. A push tube made from
a piece of plastic pipe would aid this installation.
The I.D. of the pipe should be slightly larger than
the O.D. of the shaft sleeve.
Install the seal plate gasket (6). Position the seal
plate over the shaft and secure it to the bearing
housing with the hardware (28 and 29). Be careful
not to damage the stationary element on the shaft
threads.
Lubricate the seal sleeve (4) with a small amount of
light oil and slide the rotating subassembly (con­
sisting of rotating element, bellows and retainer),
onto the sleeve until the rotating element is just
flush with the undercut end of the sleeve.
Slide the sleeve and subassembled seal onto the
shaft until the seal faces contact. Continue to push
the sleeve through the seal until the undercut end
seats against the shaft shoulder.
Install the seal spring. Lubricate the seal as indi­
cated in LUBRICATION after the impeller is in­
stalled.
If necessary to reuse an old seal in an emer­
gency, carefully separate the rotating and station­
ary seal faces from the bellows retainer and sta­
tionary seat.