Gorman-Rupp Pumps 06B20-B 806819 and up - Manual (Page 28)

OM-01221 0 SERIES
MAINTENANCE & REPAIR PAGE E - 9
IMPELLER
SHAFT
SEAL
PLATE
ROTATING
ELEMENT
RETAINER
SPRING
IMPELLER
ADJUSTING
SHIMS
IMPELLER
BELLOWS
SHAFT
SLEEVE
O‐RING
STATIONARY
SEAT
SPRING
CENTERING
WASHER
STATIONARY
ELEMENT
DRIVE
BAND
Figure 4. Seal Assembly
This seal is not designed for operation at
temperatures above 160
_F (71_C). Do not
use at higher operating temperatures.
Lay the seal plate on a flat surface with the impeller
side facing down. Press the oil seal (38) into the
seal plate with the lip positioned as shown in Figure
1.
Reposition the seal plate with the impeller side fac­
ing up. If the wear ring (43) was removed, press the
replacement ring into the seal plate until it seats
squarely against the bore shoulder.
The wear ring must seat squarely in the
seal plate bore or binding and/or exces­
sive wear will result.
Lubricate the stationary seat O‐rings with water or
light oil, and install them in the stationary seat.
Install the stationary seal element in the stationary
seat. Press this stationary subassembly into the
front of the seal plate until it seats squarely against
the bore shoulder.
Carefully slide the assembled seal plate and sta­
tionary portion of the seal over the shaft. Use cau­
tion not to nick or damage the stationary seat or
element on the shaft threads. Secure the seal plate
to the pedestal with the round head machine
screws (10).
Subassemble the rotating element into the retainer
and bellows. Lubricate the I.D. of the bellows with
water and slide this subassembly over the shaft
sleeve until the seal face is just flush with the under­
cut end of the sleeve.
Slide the assembled shaft sleeve and rotating por­
tion of the seal and onto the shaft until the polished
faces contact. Continue to push the sleeve through
the seal until it is fully seated against the shaft
shoulder. Use caution not to roll the lip of the oil seal
(38) when installing the shaft sleeve.