Goulds Pumps 3198 i-FRAME - IOM - Manual (Page 69)

Shaft Wrench
101
4. Repeat step 3 until the impeller becomes loose.
5. Remove and discard the impeller O-ring (412A).
You will insert a new O-ring during reassembly.
412A
Figure 16: O-ring for models 3196, HT 3196, NM 3196, 3198, and 3796
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.
Seal-chamber cover removal
Seal-chamber removal procedures
Choose from one of these procedures to remove the seal-chamber cover.
Table 9: Procedures for seal-chamber cover removal by model
Model Procedure
3196, CV 3196, HT 3196, LF 3196, 3796 Remove the seal-chamber cover.
NM 3196, 3198 Remove the seal-chamber cover and/or backplate.
Remove the seal-chamber cover and backplate (NM 3196, 3198)
1. Remove the gland nuts or seal-chamber stud nuts (355).
2. Remove the backplate stud nuts (370H).
3. Remove the backplate (184).
Maintenance
Model 3198 i-FRAME Installation, Operation, and Maintenance Manual 67