Watson-Marlow SPS - Manual (Page 79)

MasoSine SPS sinusoidal pumps User Manual 79
l Use a 22mm spanner to remove the cap nuts (right-hand thread) and
washers.
l Lightly tap the two front cover pins if necessary and use them to pull off the
cover.
Note: The cover is heavy.
Removing the front cover
l You can now access the front cover O-ring (arrowed) in its groove in the front
cover.
22.4 Dismantling and assembling the SPS
250, SPS 300, SPS 400 and SPS 500
22.4.1 Dismantling the SPS 300
and SPS 400
SPS 250, SPS
300, SPS 400
and SPS 500
pumps
Note: The SPS 300 model is pictured in this section. The SPS 400 is similar.
Note: The pictures show a pump with a cast iron power frame. Dismantling
models with stainless steel power frame is similar. For exceptions, see page 83.