1.
Impeller key (178)
2.
Impeller nut (304)
3.
Impeller nut O-ring (412A)
4.
Impeller (101)
5.
Distance washer (199)
6.
Intermediate ring spacer (351X)
9.
Install the impeller:
a) Insert the impeller key (178) into the key-slot on the shaft.
If the impeller key does not fit into the keyway due to interference with the distance washer, then go
back to step 7 and re-assemble the bearing cartridge to the shaft.
b) Mount the impeller (101) onto the shaft.
c)
Insert the impeller nut O-ring (412A) into the groove on the rear side of the impeller nut (304).
d) Secure the driven magnet assembly with a strap wrench and tighten the impeller nut to the ap-
propriate torque value.
See
6.5.5 Bolt torque values on page 75
NOTICE:
Check that you can rotate the backplate freely by hand. When you raise the backplate, make
sure that the axial play is approximately 1.02 mm | 0.040 in. in order to ensure proper assem-
bly. The axial play of the plain bearings is automatically set during assembly.
10. Place the containment shell gasket (540N) and containment shell (750) onto the backplate (444).
6.5 Reassembly
Model 3296 EZMAG Installation, Operation, and Maintenance Manual
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