Goulds Pumps CV 3196 i-FRAME - IOM - Manual (Page 73)

428D
458Y
2. Spray penetrating oil through the plug hole into the cavity at the end of the shaft and let it penetrate
for 15 minutes.
3. While waiting, rotate the shaft several times to distribute the oil.
4. Slide the shaft wrench (A05107A) over the shaft (122) and key.
5. Rotate the impeller clockwise (viewed from the impeller end of the shaft) and raise the wrench off of
the work surface.
6. To loosen the impeller, quickly turn the impeller counter-clockwise (viewed from the impeller end of
the shaft) while impacting the wrench handle on the workbench or a solid block.
7. Repeat step 6 until the impeller becomes loose.
8. If step 6 and 7 do not work then do this:
a) Place a socket wrench over the cast nut on the impeller hub.
b) Turn the impeller counter-clockwise (viewed from the impeller end of the shaft).
Be sure that the impeller wrench rests on the workbench or a solid block and that the power end is
secure on the work surface.
9. Remove and discard the impeller O-ring (412A).
You will insert a new O-ring during reassembly.
412A
Figure 17: O-ring for model CV 3196
If the impeller cannot be removed by the previous methods, cut the shaft between the gland and the
frame, remove the impeller, stuffing-box cover, gland, sleeve, and shaft end as a unit. Do not apply heat.
Maintenance
Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual 71