Flowserve Pump Mark 3 2K 4x3-10H

Adjust gland packing for visible leakage and concentric alignment

Check for leaks from gaskets and seals

Is the shaft seal functioning correctly?

Enter remaining hours before lubricant change is required

Is the duty condition within the safe operating range for the pump?

Record the external bearing housing temperature

Is the external bearing housing temperature within the maximum limit?

Change the oil after 160 hours of operation

Examine and describe any contaminants found in the used oil

Verify lubrication intervals based on temperature

Ensure bearing temperature is 71-80°C (160-175°F)

Remove pipe plug from inboard and outboard bearing locations

Have the bearings been relubricated three times?

Clean out the bearing housing if relubricated three times

Pump Lubricants — Oil Bath (Mineral Oil)

Verify lubrication intervals based on temperature

Is the bearing temperature between 71-80°C (160-175°F)?

Fill the bearing housing to the center of the oil sight glass with the proper type oil

Ensure no detergent oils are used

Pump Lubricants — Grease for Life

Verify that double shielded or double sealed bearings are packed with grease by the manufacturer

Confirm that bearings are not relubricated

Assess the operating temperature and speed of the bearings

Determine if the replacement interval is affected by operating conditions

Check if shielded bearings are operating cooler than expected