Watson-Marlow SPS - Manual (Page 82)

MasoSine SPS sinusoidal pumps User Manual 82
l Note the orientation of the gate and the gate guide so that they can be refitted
in the same orientation. Use two hands to remove the rotor, the gate and the
gate guide together.
l You can now access the rotor rear O-ring in its groove in the rotor rear.
Removing the rotor, the gate and the gate guide
SPS 250, SPS
300, SPS 400
and SPS 500
pumps