Goulds Pumps IC I-FRAME Montage-, Betriebs- Und Wartungshandbuch Seite 78

6.5 Pre-assembly inspections
stellen Sie sicher, dass diese nicht beschädigt sind. Wenn notwendig, ist die Dichtung zu
reparieren oder zu ersetzen.
Inspect the casing for cracks and excessive wear or pitting. Thoroughly clean gasket surfaces and
alignment fits in order to remove rust and debris.
Repair or replace the casing if you notice any of these conditions:
Casing areas to inspect
The arrows point to the areas to inspect for wear on the casing:
The arrows point to the areas to inspect for wear on the casing:
Abbildungsnummer 38: Areas to inspect on the casing
Impeller replacement
This table shows the criteria for replacing the impeller:
Impeller parts When to replace
Vane edges When you see cracks, pitting, or corrosion damage
Impeller clearances and reconditioning
When you recondition the impeller, consider this information:
• For pumps installed in potentially explosive atmospheres, you must replace worn parts when
the wear limits have been reached.
• For volute casings (102V) with a wear ring (502.11) and casing covers (161) with a wear ring
(502.31), you can restore the correct clearance in one of two ways:
• Replace the impeller and the wear ring.
• Contact your ITT representative in order to acquire a customized wear ring (bored to fit) in
order to avoid replacement of the impeller.
• When the volute casing (102V) or casing cover (161) without a wear ring must be repaired, you
can install a wear ring in order to renew pump performance. The volute casing and/or the ca-
sing cover must be re-machined. Contact your ITT representative for assistance.
76 Model IC I-FRAME, ICI i-FRAME, ICH i-FRAME, ICIH i-FRAME Montage-, Betriebs- und Wartungshandbuch