Subaru Robin PKX201 - Manual (Page 32)

Centrifugal Pumps - PKX Service
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14. Before trying to pull the rotating seal half (carbon side)
off the crankshaft, it might become necessary to clean
the crankshaft with an emery cloth. Applying soapy
water to the crankshaft, as well as on the seal, will
help prevent the sealing lip from tearing when
removed.
15. Using a pliers, carefully pull the rotating half (carbon
side) off the crankshaft.
Note: Squeezing to hard will ruin the seal. The best way
to remove the seal would entail removing the back-
ing plate as shown in Step 22. The pulling force of
the entire backplate will help remove the seal with-
out bending or distortion.
16. After removing from pump, inspect the surfaces close-
ly. No cracks, chips or uneven wear should show. If
pump was run without water, the surface of the seals
will have a worn and burnt appearance.
13. This is what the shims will look like if in good condition.