OM-01194
0 SERIES
MAINTENANCE & REPAIR
PAGE E - 9
O‐RING
SHAFT
SLEEVE
SEAL PLATE
ROTATING
ELEMENT
BELLOWS
IMPELLER
IMPELLER
KEY
SPRING
SEAL GUARD
SLEEVE
O‐RING
DRIVE BAND
RETAINER
IMPELLER
SHAFT
STATIONARY
SEAT AND SEAL
Figure 3. 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 pinion shaft (2, Figure 2) for distortion,
nicks, scratches, or damage to the shaft keyway.
Dress small nicks or burrs with a fine file or emery
cloth. If excessive wear exists, refer to
GEARBOX
DISASSEMBLY
and replace the shaft.
Lightly lubricate the shaft sleeve O‐ring (17) and in
stall it on the shaft.
Lubricate the stationary seat O‐ring with light oil
and install it in the groove in the seat. Use thumb
pressure to press this subassembly into the seal
plate until it seats squarely against the shoulder
bore. Be careful not to damage the seal face. After
installation, wipe the seal face in a concentric pat
tern with a clean, lint‐free cloth to remove any fin
gerprints.
Subassemble the rotating element into the retainer
and bellows, and slide this subassembly over the
shaft sleeve until the rotating element is just flush
with the chamfered end of the sleeve. Slide the
sleeve and rotating portion of the seal onto the
shaft until the seal faces contact. Continue to push
the sleeve through the seal until the sleeve is fully
seated against the shaft shoulder.
Install the seal spring. Make sure that all compo
nents of the seal are seated squarely.
Impeller Installation
(Figures 1 and 4)
Inspect the impeller (2), and replace it if cracked or
badly worn. If the seal guard (15) was removed,
press the replacement guard onto the impeller until
it seats squarely against the bore shoulder.
The seal guard
must
seat squarely on the
