Pulsafeeder Isochem RGT IOM - Manual (Page 22)

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15. Install the Driven Magnet Assembly (item 18) on the drive shaft (item 4).
a) Install the Driven Magnet Assembly inner retaining ring (item 14) by carefully expanding
it over the end of the impeller assembly (item 6) and pushing it along the shaft past the
front groove for the outer retaining ring, which will require that the ring be carefully
expanded no more than necessary to pass the groove before arriving and seating fully in
the back groove.
b) Position the Driven Magnet drive key (item 8) in its keyway.
c) Slide the Driven Magnet Assembly (item 18) on the impeller assembly (item 6). (The flat
side towards the rear housing.)
d) Install the Driven Magnet outer retaining ring (item 14) by carefully expanding it over the
end of the impeller assembly (item 6) and pushing it into the its groove. Verify that the
Magnet Assembly floats freely back and forth between the retaining rings. This requires
that both retaining rings be fully seated in their respective grooves.
Figure 5
16. Install the containment can (item 19) in the casing.