Gorman-Rupp Pumps 610M20B-B 699260 and up - Manual (Page 27)

OM−01912 60 SERIES
MAINTENANCE & REPAIR PAGE E − 9
IMPELLER
SHAFT
SPRING
SEAL PLATE
RETAINER
OIL SEAL
BELLOWS
ROTATING
ELEMENT
STATIONARY
SEAT
IMPELLER
STATIONARY
ELEMENT
O-RINGS
IMPELLER
WASHER
IMPELLER
KEY
Figure 3. 12461A Seal Assembly
The standard seal is not designed for oper-
ation at temperatures above 160
_F (71_C).
Do not use at higher operating tempera-
tures.
Position the seal plate with the impeller side up and
press the oil seal (42) in the seal plate (5) with the lip
positioned as shown in Figure 1.
Lubricate the stationary seat O-ring with water or
light oil, and press the stationary subassembly
(consisting of the stationary seat, O-rings and sta-
tionary element) into the front of the seal plate until
it seats squarely against the bore shoulder.
Position the seal plate and stationary seat over the
shaft and secure it to the pedestal with the machine
screws (39). Be careful not to damage the station-
ary element on the shaft keyway.
Lubricate the shaft in the area of the seal, and slide
the rotating portion of the seal (consisting of the
bellows, retainer and rotating element) onto the
shaft until the seal faces contact.
Install the seal spring and washer (50).
Install new packing rings (10) in the back of the
seal plate seal plate as follows.
NOTE
It is recommended that replacement rings pre-cut
to the correct width and length, and packaged in a
set be ordered from the Gorman-Rupp Company or
your Gorman-Rupp distributor. However, if bulk
commercial packing will be used in the unit, pre-
pare and install the packing in accordance with the
steps outlined below in order to ensure that the
packing will form a tight seal.