Watson-Marlow SPS - Manual (Page 81)

MasoSine SPS sinusoidal pumps User Manual 81
The shaft nut
l Remove the shaft nut from the PEEK front support. Note: the PEEK front sup-
port is breakable.
l You can now access the shaft nut O-ring (arrowed) in its groove in the shaft
nut.
The locking screw
The front support
SPS 250, SPS
300, SPS 400
and SPS 500
pumps