Assembly troubleshooting – Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) User Manual

Page 30

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ANSIFAM IOM - 5/08

95

ASSEMBLY TROUBLESHOOTING

Symptom

Cause

Remedy

Excessive shaft end play.

Bearing internal clearance too great.

Snap ring loose in bearing housing groove.

Replace bearings with correct type.

Reseat.

Excessive shaft/sleeve runout.

Sleeve worn.

Shaft bent.

Replace

Replace.

Excessive bearing frame flange runout.

Shaft bent.

Bearing frame flange distorted.

Replace

Replace.

Excessive frame adapter runout.

Corrosion.

Adapter to frame gasket not seated properly.

Replace.

Reseat.

Excessive seal chamber/stuffing box cover
runout.

Seal chamber/stuffing box cover not properly
seated in frame adapter.

Corrosion or wear.

Replace.

Excessive impeller vane tip runout.

Bent vane(s).

Replace impeller.

6

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