Gorman-Rupp Pumps 810A2-F5L 1322933 and up - Manual (Page 29)

80 SERIES OM−02396
MAINTENANCE & REPAIR PAGE E − 10
Lubricate the shaft and press the inboard oil seal
(34) into the intermediate (19) with the lip posi-
tioned as shown in Figure 2. Use caution not to roll
or damage the lip of the oil seal during installation.
Press the outboard oil seal (30) into the bearing
cap (24) with the lip positioned as shown in Figure
2.
Slide the wavy washer (29) onto the shaft. Install
the bearing cap gasket (22) and secure the bear-
ing cap (24) with the hardware (23).
Lubricate the bearings as indicated in LUBRICA-
TION at the end of this section.
Securing Intermediate And Drive Assembly To
Engine
(Figure 2)
If the drive plate assembly (26) was removed, se-
cure it to the engine flywheel with the attaching
hardware (27 and 28).
Slide the splined end of the shaft (25) into the drive
plate. Position the intermediate (19) against the en-
gine bellhousing with the air vent at the top, and se-
cure the intermediate and guards (59 and 60) to
the bellhousing with the hardware (20 and 21).
NOTE
Position the guard (60) over the sight gauge (57).
Seal Reassembly and Installation
(Figures 2 and 4)
Inspect the pump casing, seal plate, seal liner and
the impeller shaft for burrs or sharp corners, and
remove any that exist. Replace the seal liner if wear
or grooves exist which could cause leakage or
damage to the seal packing rings.
To replace the seal liner, position the seal plate (36)
on the bed of an arbor (or hydraulic) press and use
a new seal liner to press the old liner out. After the
new liner is properly installed, dirll a 1/4-inch diam-
eter (6,35 mm) hole through the liner to permit the
flow of lubricant to the seal assembly. Be careful
to center the drill in the threaded hole so not to
damage the threads in the pump casing. Deburr
the hole from the inside of the seal liner after drill-
ing.
Slide the seal plate onto the shaft (25) and align the
lubrication hole in the seal plate with the opening in
the intermediate. Temporarily secure the seal plate
to the intermediate using two capscrews and nuts
(1/2−UNC by 1−1/2 inch long, not supplied).
Clean the seal cavity and shaft with a cloth soaked
in fresh cleaning solvent.
Most cleaning solvents are toxic and
flammable. Use them only in a well ven-
tilated area free from excessive heat,
sparks, and flame. Read and follow all
precautions printed on solvent contain-
ers.
The seal is not normally reused because wear pat-
terns on the finished faces cannot be realigned
during reassembly. This could result in premature
failure. If necessary to reuse an old seal in an emer-
gency, carefully wash all metallic parts in fresh
cleaning solvent and allow to dry thoroughly.
Handle the seal parts with extreme care to prevent
damage. Be careful not to contaminate precision
finished faces; even fingerprints on the faces can
shorten seal life. If necessary, clean the faces with a
non-oil based solvent and a clean, lint-free tissue.
Wipe lightly in a concentric pattern to avoid
scratching the faces.
Inspect the seal components for wear, scoring,
grooves, and other damage that might cause leak-
age. Clean and polish the seal spacer sleeve, or re-
place it if there are nicks or cuts on either end. If any
components are worn, replace the complete seal;
never mix old and new seal parts.
If a replacement seal is being used, remove it from
the container and inspect the precision finished
faces to ensure that they are free of any foreign
matter.
To ease installation of the seal, lubricate the pack-
ing rings and seal liner with water or a very small
amount of oil, and apply a drop of light lubricating
oil on the finished faces. Assemble the seal as fol-
lows, (see Figure 4).