Goulds Pumps CV 3171 - IOM - Manual (Page 36)

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CV 3171 IOM 05/11
17. Disassemble the pump casing (100) by
removing the casing to adapter bolts (370).
Leave the jacking bolts (418) in place. When
removing the casing, be careful not to mar the
inside casing walls (Figure 20).
WARNING
When removing impeller, wear heavy
work gloves to prevent cutting hands
on sharp edges of impeller vanes.
18. Remove the impeller (101) from the shaft (122).
One method is by using a locking bar to break
the thread grip on the impeller. Attach the
locking bar (locking bar detail can be found in
Figure 22) onto the power end of the pump
shaft. Quickly turn impeller counter clockwise as
viewed from the impeller end of the shaft (right
hand thread) impacting the locking bar handle
on the motor support. Repeat this process until
the impeller breaks free (Figure 21).
Figure 20
Figure 21
Figure 19