Watson-Marlow SPS - Manual (Page 44)

MasoSine SPS sinusoidal pumps User Manual 44
SPS 100 pumps
with a triple lip
seal
l Remove the distance piece. You can now access the distance piece O-ring.
l Remove the back bushing.
The distance piece The front and back bushing.
They are identical
Removing the distance piece and the back bushing