OM-05450
GHS SERIES
PAGE F - 28
SEAL APPENDIX
Seal Removal
(Figures E‐1 and F‐10)
See
PUMP DISASSEMBLY
and disassemble the
pump up to and including the
Rotor Adjusting
Sleeve (07)
. As the rotor adjusting sleeve (07AA) is
unscrewed from the backhead (06A), the seat
sleeve (07L) and lip seal (05) will be pulled out with
it.
Position the rotor adjusting sleeve assembly on a
flat surface with the seal end facing up.
Pry the seat sleeve (07L) off the bearing retaining
nut shoulder. Remove the O‐rings (07F and 07V)
from the seat sleeve (07L).
Use a suitable tool to pry the lip seal (05) out of the
seat sleeve (07S). If the rotor adjusting sleeve and
related components require replacement, pry the
seat sleeve (07S) off the shoulder on the bearing
retaining nut (07AD).
Continue as required with
PUMP DISASSEMBLY
.
Seal Installation
(Figures E‐1 and F‐10)
See
Pump Reassembly, Section E
, and as
semble the housing assembly (04), backhead kit
(06) and rotor/shaft assembly (03).
Clean the seal cavity 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 flame, sparks, and
excessive heat. Read and follow all pre
cautions printed on solvent containers.
Position the pump on a flat surface with the drive
end up.
Assemble the rotor adjusting sleeve (07AA) as de
scribed in
Pump Reassembly, Section E
and po
sition it on a flat surface with the seal end facing up.
Press the seat sleeve (07V) over the shoulder on
the bearing retaining nut (07AD) until fully seated.
Position the lip seal (05) as shown in Figure F-10
and press it into the seat sleeve (07S) until fully
seated against the bearing retaining nut (07AD).
Install new O‐rings (07F and 07V) in the grooves in
the seat sleeve (07L) and lubricate them with light
oil. Position the seat sleeve (07L) over the shoulder
on the bearing retaining nut (07AD) and press the
sleeve onto the nut until fully seated.
Proceed to install the rotor adjusting sleeve assem
bly as described in
Pump Reassembly, Section
E
.
