Subaru Robin PKX201 - Manual (Page 34)

Centrifugal Pumps - PKX Service
- 34 -
21. This is a good time to check the condition of the o-ring
that seals the outer housing to the back plate. Check
for nicks, cracks, and replace if necessary with new.
22. It may become necessary to remove the back plate for
servicing the engine. Use an Allen wrench to remove
the 4 bolts that attach it to the engine.
23. Lift the back plate out of the way and inspect for dam
age.
24. If it becomes necessary to remove the engine from the
frame, remove the four bolts that hold it to the base
plate of the pump frame.