Figure 35:
NOTICE:
For pressure requirements above those shown, optional casing material, flanges and bolting
are available. Contact the nearest Goulds representative for details.
6.5 Inspection and Overhaul
1. O-rings: Inspect O-rings and replace if damaged. Position them in sleeves and sleeve nuts.
2. W
earing rings: The original clearance between the impeller and the casing wearing rings is
shown in Table 3: Impeller and Wearing Ring Clearance on page 41. Clearance between casing
wearing rings and optional impeller wearing rings is also shown. When hydraulic performance is
reduced substantially, the casing rings should be replaced.
6.5 Inspection and Overhaul
40 Model 3415 Installation, Operation, and Maintenance Manual
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