Gorman-Rupp Pumps 08C1-GA 1026171 and up - Manual (Page 26)

0 SERIES OM−01265
MAINTENANCE & REPAIR PAGE E − 6
Lubricate the O-ring (40) and install it in the groove
in the gearbox housing (12). Install the same thick-
ness of bearing adjusting shims (41) as previously
removed.
Install the gearbox housing gasket (42) over the
casing studs (38). Carefully slide the pump casing
over the shaft until fully seated against the gearbox
housing. Be careful not to damage the lip of the oil
seal on the shaft keyway. Make sure the bearing
shims remain in position in the casing bore. Secure
the casing to the gearbox with the nuts (39).
NOTE
Shaft endplay should be between .005 and .012
inch (0,127 and 0,305 mm). Add or remove bearing
shims to achieve correct endplay.
Seal Reassembly and Installation
(Figures 1 and 2)
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 pinion shaft, or replace it
if there are nicks or cuts on either end (see GEAR-
BOX DISASSEMBLY). 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 sta-
tionary seat O-ring, bellows and pinion shaft 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 follows, (see Figure 2).