Subaru Robin PKX201 - Manual (Page 82)

High Pressure Pumps - PKX Service
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29. Using a torque wrench with a special Allen socket,
torque the bolts to a specifi ed value of 12 to 15 ft.
lbs.
30. Place a small amount of liquid detergent around the
seal and rubber holder to ease in installation.
31. Push the seal on with two fi nger or better yet, use
your two thumbs. Making sure it is seating correctly.
Note: If the backplate is removed for whatever
reason, it would help to install the seal before
installing the backplate onto the engine.
32. Re-install rotating half of mechanical seal. Placing a
little liquid detergent on the sealing lip will aid in
reinstallation and keep the seal from tearing.