Goulds Pumps 3700 - IOM - Manual (Page 78)

Maintenance
c) Install the set screws and upset threads.
184 Cover
222E Set screw
230 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 0.003 in. (0.08 mm) by machining before you trim the
new impeller wear rings.
100 Casing
164 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:
76 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual