Subaru Robin PKX201 - Manual (Page 45)

Trash Pumps - PKX Service
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10. There is a wrong side to the rotating seal. The white
or colored marks will face inward (or towards the inlet
nozzle side of the pump).
9. Turn the impeller over and remove the rotating part of
the mechanical seal with a small screwdriver. Pry on
the bottom side and lift upward until removed from im-
peller.
11. Sometimes it helps to put a little dish washing soap on
shaft to help remove seal. This prevents the sealing lip
from possibly tearing when removing.
12. Using two screwdrivers, remove the seal by prying
side to side until it is free. It may become necessary
to remove pump back plate to remove seal. If this
becomes the case then follow the directions in the fol-
lowing steps.