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Figure 4.7
Removal of Mechanical Seal
from Pump Shaft and Cavity
of Mechanical Seal Holder
3. Remove the rotary portion (spring, washer, and face assembly) of the seal
assembly from the pump shaft by rotating and pulling the rotary portion until
it slides off the pump shaft (Figure 4.6, Removal of Mechanical Seal Holder
from Motor Adapter).
4. Remove the mechanical seal holder from the motor adapter by sliding the
holder off the pump shaft. Two (2) flat-blade screwdrivers may be needed to
remove seal holder from the motor adapter (Figure 4.6).
5. Remove the stationary seat of the mechanical seal from the cavity of the
mechanical seal holder (Figure 4.7, Removal of Mechanical Seal from Pump
Shaft and Cavity of Mechanical Seal Holder).
6. Install the new stationary seat into the seal holder cavity. Lubricate the rub-
ber boot on the outside of the stationary seal with petroleum or silicone
grease before replacement. Make sure the stationary seat is fully seated.
Lightly lubricate the ground surface of the stationary seat with grease.
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