Flowserve Vertical Immersion Sump Pump 1E3x2SP-62

5.8.7 Normal Vibration Levels, Alarm and Trip

Record the current vibration velocity (unfiltered) in mm/s (r.m.s.)

Is the vibration velocity within the normal range (5.6 mm/s r.m.s.)?

Is the vibration velocity within the alarm range (7.0 mm/s r.m.s.)?

Is the vibration velocity within the shutdown range (11.3 mm/s r.m.s.)?

Is there any abnormal noise from the pump?

Is there any abnormal vibration from the pump?

Has there been any change in pump noise or vibration?

Verify all components are in place

Ensure grease is water-resistant and insoluble in the liquid being pumped

Apply grease to Intermediate Bearings [3020.1]

Apply grease to Bottom Bearing [3020.2]

Check for proper lubrication to prevent bearing failures and pump seizures

Reattach strainer to suction flange of the casing if it was removed for cleaning or replacement

Ensure strainer does not need removal unless for cleaning or replacement

Check for plugged impeller, strainer, or casing due to product or large solids

6.9.1 Replacing shaft sleeve bearings

Ensure shaft bearings are only removed if they are to be replaced

Refer to Figure 6-6 for allowable bearing tolerances

Are the bearing tolerances exceeded?

Replace components if tolerances are exceeded

6.9.1a Intermediate bearings [3020.1]

Remove old intermediate bearings [3020.1] (refer to section 6.7.2)

Clean and deburr bearing holder bore and lubrication port

Apply a light coating of grease or oil to bearing holder bore and outside diameter of new bearing

Ensure the following storage conditions are met

Turn the pump shaft at regular intervals to prevent brinelling of the bearings and the seal faces from sticking

Consult Flowserve for preservative actions if storage exceeds 6 months

Short term storage and packaging

Verify packaging and protection measures

Is the pump stored in a covered, dry location?