Watson-Marlow SPS - Manual (Page 52)

MasoSine SPS sinusoidal pumps User Manual 52
l Check that the front cover O-ring (arrowed above) is in its groove in the front
cover.
l Fit the front cover over the shaft and the pump housing studs.
l Fit the cap nuts (right-hand thread) and washers to the pump housing studs.
Use a 22mm spanner. Tighten them to 35Nm.
Fitting the front cover
SPS 100 pumps
Fitting the locking nut
The locking nut
It is important to ensure that the shaft cannot rotate while the shaft nut is fitted. If
necessary, it may conveniently be secured using a well-padded wrench 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 100: TL-SP10-010-31).
l Use a 17mm spanner to tighten the locking nut to 100Nm (right-hand
thread).