184 Cover
222E Set screw
230 Seal-chamber-cover wear ring
Figure 58: Seal chamber cover wear ring
6.
Check the casing wear ring runout and distortion:
a) Measure the bore at each set screw location with inside micrometers or vernier calipers.
b) Correct any distortion in excess of 0.08 mm | 0.003 in. by machining before you trim the new
impeller wear rings.
100 Casing
164 Casing wear ring
Figure 59: Casing wear ring
7.
Measure the bore of the casing wear ring to establish the required impeller wear-ring diameter you
use to provide the recommended running clearances.
8.
Repeat steps 6 and 7 for the seal-chamber wear ring.
9.
Turn the impeller wear rings to size after you mount them on the impeller:
6.5 Preassembly inspections
86
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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