Watson-Marlow SPS - Manual (Page 55)

MasoSine SPS sinusoidal pumps User Manual 55
l Pull the front liner to remove it.
Note: You may find it convenient to turn the pump shaft and rotor a little to create
space for your fingertips to grasp the top of the front liner.
Removing the front liner
It is important to ensure that the shaft cannot rotate while the shaft locking screw
is removed. It may be convenient to secure it using a tommy bar or a spanner
handle between the spider castellations on the drive shaft. Alternatively, a well-
padded wrench can be used on the shaft and the key or keyway. A blocking tool for
the shaft is optionally available for easy opening of the locking screw: (SPS 200:
TL-SP20-010-31).
l Use the 32mm ring spanner supplied with the pump to remove the locking
screw from the end of the shaft (left-hand thread).
l You can now access the shaft nut O-ring in its groove in the shaft nut.
Removing the shaft locking screw
The shaft locking screw
SPS 200 pumps