101 Impeller
122 Shaft
202 Casing-side impeller wear-ring
228 Seal-chamber cover side wear ring
Figure 61: Impeller wear-ring runout
If the impeller wear ring runout is in excess of 0.13 mm | 0.005 in.:
1.
Check for distortion at the set screw areas.
2.
Check the shaft runout and all mating surfaces of the shaft and impeller hub for perpendicularity.
3.
True up all damaged surfaces.
4.
Recheck the impeller wear-ring runout.
6.5.6 Seal-chamber cover inspection and replacement
Two seal-chamber cover versions
The seal-chamber cover is available in two versions:
•
Standard
•
Optional
The optional version has a cooling chamber and water jacket cover and is used when elevated pumped-
fluid temperatures are present.
Seal-chamber cover areas to inspect
•
Ensure all gasket/O-ring sealing surfaces are clean and have no damage that would prevent seal-
ing.
•
Ensure that all cooling (where applicable), flush, and drain passages are clear.
6.5 Preassembly inspections
88
Model 3700, 3703, 3710, 3700LF, 3700LFI API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Instal-
lation, Operation, and Maintenance Manual
Summary of Contents for Goulds Pumps 3700
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