Maintenance
7
7. Press impeller wear ring into the
diffuser.
8. Fit diffuser over the impeller &
up to the seal plate.
• Fit O-Ring to front of diffuser.
9. Fit casing to pump ensuring that
O-Ring seats correctly into
groove in casing.
• This can be viewed through
the front inlet on casing.
10. Using 14mm socket & box
wrench to tighten the casing
evenly from corner to corner to
ensure even compression of the
casing O-Ring.
• Angled metal foot fits onto
the 2 bottom bolts and should
cover the bottom of pump
casing to prevent damage.
11. Fit flap valve and gasket to suc-
tion housing.
• Ensure that the gasket fits prop-
erly with the raised lugs on
housing fitting slots in gasket.
12. Fit discharge gasket and dis-
charge housing to casing.
• Using 13mm socket tighten
bolts in suction and discharge
flange.
• Bolts only need to be tightened
firmly to prevent stripping the
thread.
13. Fit handle to long bolts on side
of casing.
• Using 19mm socket tighten
handle sockets onto casing
bolts.
14. Pump is now fully assembled
ready for use.
• Bench test the pump up to top
pressure to ensure there are no
seal, O-Ring or gasket leaks
prior to returning to service.
This completes Assembly
of the single-stage pump.
Figure 20: Install Impeller Wear Ring
Figure 22: Fit Casing
Figure 24: Install Flap Valve
Figure 25: Fasten Suction and
Discharge Flanges
Figure 26: Install Handle
Figure 23: Fasten Casing
Figure 21: Install Diffuser
