Subaru Robin PKX201 - Manual (Page 50)

Trash Pumps - PKX Service
- 50 -
29. Before placing the rotating seal into the impeller it will
help by putting some liquid detergent of the seal. This
will ease in installation.
30. Install the seal into the backside of the impeller
making sure that the outer seal is not kinked and
placed on straight.
31. This is a good time to check the condition of the
volute to back plate housing O-ring. Check for cracks,
nicks or tears.
32. Turn the impeller on by hand in a clockwise position
until
tight.