Gorman-Rupp Pumps 14C20-F3L 1319349 and up - Manual (Page 34)

OM−03413 10 SERIES
MAINTENANCE & REPAIR PAGE E − 13
SEAL PLATE
O-RINGS
IMPELLER
OIL SEAL
STATIONARY SEAT
STATIONARY
ELEMENT
ROTATING ELEMENT
BELLOWS
IMPELLER
SHIMS
IMPELLER
SPRING
RETAINER
SHAFT
SHAFT
SLEEVE
BOTTLE
OILER
SPRING
HOLDER
DRAIN PLUG
Figure 5. 12364D Seal Assembly
This seal is not designed for operation at
temperatures above 160
_F (71_C). Do not
use at higher operating temperatures.
Inspect the seal plate (35) and the impeller shaft
(26) for burrs or sharp corners, and remove any
that exist. Install the oil seal (16) in the bore of the
seal plate as shown in Figure 2. Make sure the oil
seal is fully seated.
Position the seal plate against the intermediate. Be
careful not to damage the oil seal lip on the shaft
threads. Align the bottle oiler hole with the opening
in the intermediate, and secure the seal plate to the
intermediate with hardware (36 and 37).
Assemble the O-rings into the stationary seat.
Press the stationary seat into the seal plate bore
until fully seated. A push tube cut from a length of
plastic pipe would aid this installation. The I.D. of
the tube should be approximately the same as the
I.D. of the seal spring.
Subassemble the stationary and rotating element
into the retainer and bellows. Apply a drop of light
oil on the precision finished faces; never use
grease. Use even pressure to carefully press this
subassembly onto the sleeve (75) with the rotating
element facing the chamfered end of the sleeve.
Position the sleeve on the shaft with the chamfered
end toward the seal cavity. Slide the sleeve onto
the shaft until it seats against the shaft shoulder.
Install the seal spring and spring holder.
Reinstall the bottle oiler and piping (13, 14 and 15).
Lubricate the seal as indicated in LUBRICATION,
after the impeller has been installed.
Impeller Installation And Adjustment
(Figure 2)
Inspect the impeller, and replace it if cracked or
badly worn.
The shaft and impeller threads must be