Subaru Robin PKX201 - Manual (Page 68)

Semi Trash Pumps - PKX Service
- 68 -
29. Using a torque wrench with a special allen head
socket, torque the bolts to a specifi ed value of 12 to
15 ft. lbs.
30. Place a small amount of liquid detergent and water
on the crankshaft and inner seal. This will make the
installation of the seal easier.
31. Push the seal into the cavity with your two thumbs
and seat it snuggly into position. It might be easier
as noted ealier to position the seal into the
backplate when the backplate is removed from
engine.
32. Reinstall the shim(s) using the same number as was
taken off in previous steps.If new components such
as impeller or volute was used, it may become
necessary to re-shim with new shims for proper
volute to impeller clearance. Check the section on
“How to Shim Semi-Trash Pumps” in the Service
Manual.