WATERAX
VERSAX Owner's Manual
18
11/2015
7. Install the rotating part of the mechanical rotary seal #6 onto the stub shaft #7. Ensure the carbide face
will face the stationary part of the mechanical rotary seal. The two
carbide face must face each other.
8. Screw the stub shaft #7 onto the engine shaft. The stub shaft will
press the rotating part of the mechanical rotary seal #6 onto the
stationary part.
9. Slide the impeller #8 onto the stub shaft #7.
10. Install the wear ring #9 onto the impeller. Note that the orientation
of the wear ring is important here. Refer to figure 4.
11. Install the diffuser #10 onto the wear ring #9 and impeller #8.
Ensure that the lug shown in figure 5 will align with the other
diffuser and the internal notch of the suction cover #17.
12. Install the O-ring #11 into the diffuser #10 O-ring groove.
13. Place the spacer #12 onto the impeller #8. Note that the
orientation is important here. Refer to figure 5.
14. Install the diffuser #13 onto the diffuser #10. Ensure that the lugs shown in figure 5 are aligned.
15. Slide the second impeller #8 onto the stub shaft #7 until it rests on the spacer #12.
16. Install the wear ring #9 onto the impeller. Refer to figure 4.
17. Fasten screw #16 using the lockwasher #15 and washer #14. Apply a torque of 14-16 Nm.
18. Install suction cover #17 onto the impeller/diffuser assembly. Ensure that the internal notch of the
suction cover #17 is aligned with the lug on the diffuser #13. Refer figure 5.
19. Install the O-ring #18 into the suction cover #17 O-ring groove.
20. Align the casing #25 with the yoke #2 and the suction cover #17.
21. Install the support bracket #19 with screws #26 and nuts #1.
22. Fasten the casing #25 using screws #26 and nuts #1. Apply a torque of 25 Nm to screws #26 (tighten in
a cross sequence).
23. Install drain plug #21 and drain plug O-ring #20, tighten using fingers.
24. Install clacker gasket #22 and fix by installing suction flange #23 using screws #24. Apply a torque of
22-24 Nm (tighten in a cross sequence).
25. Install discharge gasket #27 and fix by installing discharge flange using screws #26. Apply a torque of
22-24 Nm (tighten in a cross sequence).
26. Fix screws #34 using nuts #1. Apply a torque of 25 Nm.
27. Install the handle #33 onto screws #34 using nut-bushings #32.
Refer to figure 6.
28. Screw caps #28, 30 and 31 firmly using a universal hose coupling
wrench. (For portable only)
Figure 4
Figure 5
