Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 79

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Seal-chamber cover replacement
Seal-chamber cover part
Seal-chamber cover surfaces
Inside diameter of seal-chamber cover bushing
Replace the seal-chamber cover bushing
The seal-chamber cover bushing is held in place by a press fit and locked by three set screws.
1. Remove the bushing:
a) Remove the set screws.
b) Press the bushing out of the fit towards the bearing-frame side of the seal-chamber
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2. Install the new seal-chamber cover bushing:
a) Thoroughly clean the bushing fit in the seal-chamber cover.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
cover bore.
Seal-chamber throat bushing
Seal-chamber cover
Seal-chamber cover wear ring (not present on
3703/3700LF)
When to replace
When worn, damaged, or corroded more than 0.126
in. (3.2 mm) deep
When the diametral clearance between the bushing
and the impeller hub exceeds 0.047 in. (1.20 mm)
Bushing
Seal-chamber cover
Maintenance
77