Flowserve Pump MK3 HSI 2×1.5-10

Record the bearing housing operating temperature

Is the bearing housing operating temperature within the specified range?

Record the external housing temperature

Is the external housing temperature within the maximum limit?

Oil Specifications and Preparation

Is the oil free of detergent additives?

5.2.2.1 Regreasable — Figure 5-6: Lubrication intervals

Is the bearing housing operating temperature between 80-94°C (175-200°F)?

Is the external housing temperature below 94°C (200°F)?

Is the bearing temperature below 105°C (220°F)?

Stop the pump and lock the motor.

Remove the pipe plug from the inboard bearing location.

Check for contaminants in the bearing housing

Drain the oil from the bearing housing

Determine the cause of contamination and corrective actions taken

Ensure the work area is clean and free from dust, dirt, oil, grease

Use non-flammable, non-contaminated cleaning fluids

Is the bearing housing operating temperature under 71°C (160°F)?

Is the external housing temperature below 94°C (200°F)?

Stop the pump and lock the motor.

Remove the pipe plug from the following bearing locations

Apply 17 cm³ (1.0 in.³) of grease to Group 2 inboard bearing.

Store the pump in a clean, dry location away from vibration.

Leave flange covers in place to keep dirt and other foreign material out of pump casing.

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

Is the pump stored for less than 6 months?

Consult Flowserve for preservative actions if storage period exceeds 6 months.

Ensure protection of the pump after unpacking.

Has oil been added to the bearing housing?

Use inhibitor oils and greases if units are idle for extended periods after addition of lubricants.